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Posted by: Genuine3 - Yesterday, 11:57 PM - Forum: Blognigeria Forum Problems/Solutions - No Replies

Do you guys know how to lift maximum value Global music markets limited expected $6.00 i want weekly $0.030 dividend Modica, italy "

Posted by: samuel04 - Yesterday, 11:07 PM - Forum: General School News - No Replies

Below is the list of the best 15 education website/blogs in Nigeria (2018).

9. Camportalng

Posted by: iOSComputer - Yesterday, 06:38 PM - Forum: How To Make Money Online - Replies (2)

There are many ways to make money online but i believe that making money through importation of goods from USA Sites and China is the best legal way to make good money online.

1. Buying Goods from USA/China Sites: Majority of people are doing this business including me and we are making good money through it. There are many goods to buy online like Laptops, Phones, Clothes, Accessories, etc. There are also many sites you can buy from online like Ebay, Amazon, Aliexpress, etc.

2. How to Pay for What you Buy: It is not new that Nigeria ATM cards are no longer working for buying things online unless you are using a Domiciliary Account which you can easily open from any banks in Nigeria. After getting your Domiciliary Account, all what you need to do is to get your foreign currency like Dollar, Pounds, etc from Aboki Mallam and go to your bank where you open your Domiciliary Account to deposit it.

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To know many more about online Shopping/Shipping from either USA / CHINA or you want us to help you start shipping your goods because we are tested and trusted by many Nigerians and we ship to anywhere in the country.

Posted by: drmind - Yesterday, 02:01 PM - Forum: General School News - No Replies

(1a and 1b)

Gradient = vertical height/horizontal height.
= 1100 - 850/12.4×50,000

(i) It is the major drainage of the mapped area.
(ii) It has a trellis drainage pattern.
-If well constructed it shows distribution and comparative densities

-It is easier to show variation in distribution of wide variety of commodities if it is presented using different colours.

iii)skyline landscapes


i)Limestone are all used to neutralise excess acidity of soil in agriculture practice. 
ii)Limestone is used as a building material. 
iii)It is used in industries to purify iron in blast furnaces. 
iv)It used in Glass making.

Diagram loading

*i.* The length of the minor arc of a great circle is taken as the distance between two points on a surface of a sphere in Riemannian geometry where such great circles are called Riemannia circles. 
*ii.* These great circles are the geodesics of the sphere.
*Iiii* For most pairs of points on the surface of a sphere, there is a unique great circle through the two points.

i)Encroachment : More migration lead to
less availability of land which lead to higher economic value of land. 
ii)Pollution: Explosive increase in the urban population without
corresponding expansion of civic facilities such as lack of adequate infrastructure for the disposal of waste results in waste clogging the
natural channels and storm water drains.
iii)Illegal mining activities: Illegal mining
for building material such as sand and quartzite both on the catchment and on the bed of the lake have extremely damaging impact on the water body. 
iv)Interference in drainage system:
Drainage congestion caused by badly
planned construction of bridges , roads , railway tracts, hampers the
flow of water and the result is flood.

- Flooding leads to loss of human life 
- Flooding leads to damage to property
- It leads to destruction of crops

i)Improving Drainage
Improving water drainage helps control floods by
facilitating easy flow of excess water, especially in urban areas during flash floods. 

ii)Building Dikes and Levees Dikes and levees are flood-control structures built to fight
river flooding and water surges. 

iii)Building Canals
Canals are artificial water channels that can be crucial to flood prevention. Canals facilitate control of water levels passing through, and form linear reservoirs and water

iv)Harvesting Rain Water
Harvesting rainwater involves collecting and storing rainwater and can not only prevent floods, it can also curb urban water scarcity.

Best Regards
Dr Mind

Posted by: drmind - Yesterday, 04:29 AM - Forum: General School News - Replies (2)



Strain is
force (a part of one's body or oneself) to make an unusually great effort.

Log L(cm):1.9031,1.8451,1.7782,1.6990,1.6021
Log T*10^-2(s):24.83,21.33,19.28,15.91,12.12
Log L*10^-1(cm):19.031,18.451,17.782,16.990,16.021
SLOPE(s)=(LogT2*10^-2 – LogT1*10^-2)(/Log L2 *10^-1 – LogL1*10^-1)
(i) I ensured supports of pendula were rigid
(ii) I avoided parallax error on the meter rule
Simple harmonic motion is the motion of a body whose acceleration is always direct towards a fixed point and is proportional to the displacement from the fixed points
Log 1.2=0.079
0079 shown on graph with corresponding Log L read L correctly determined

2biThe boiling point of a liquid Is the point at which The vapour pressure is equal To atmospheric pressure

2 )
i ) quantity of charge
ii) nature of element
iii ) Time

-Diamagnetic material
-Paramagnetic material
-Ferromagnetic material

SLOPE(s):=( LogI2-LOgI1)/(LogV2-LogV1)
(i) I ensured neat and tight terminals
(ii) I opened the key when reading was taken
(i)The brightness of the bulb increases
(ii) The voltage and current through the bulb increases
(i) diode
(ii) transistor


Self Inductance
Definition: Self-inductance or in other words inductance of the coil is defined as the property of the coil due to which it opposes the change of current flowing through it. Inductance is attained by a coil due to the self-induced emf produced in the coil itself by changing the current flowing through it.

i)Rockets are used for space travel
ii)military uses,
iii)launching satellites into space

i)They are used In making electric motors
ii)They are used In making radio loud speaker
iii)They are used In making aerial transistors
iv)They are used In making DC dynamo

Range = u²Sin2tita/g
At maximum range
Sin2tita = 1
2tita =sin^-1(1)
2tita = 90dgrees
Tita = 90/2 = 45degree

Maximum height reached = u²sin²tita/2g

Given constant = 2.9×10^-3mk
Temperature = 57degreeC = (57+273)k = 330k
Using landamaxT = constant
landamaxT330 = 2.9×10^-3
landamax = 2.9×10^-3/330
landamax = 8.788×10^-6m
The speed of electromagnetic wave, v = 3×10^8m/s
Using V = f landa
f = v/landa

7(a). LASER stands for Light Amplification by Stimulated Emission of Radiation.
(b). A laser is a device that emits a beam of coherent light through an optical amplification process.

10a) Diffraction refers to various phenomena that occur when a wave encounters an obstacle or a slit. It is defined as the bending of light around the corners of an obstacle or aperture into the region of geometrical shadow of the obstacle.

the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced.

the angle of incidence beyond which rays of light passing through a denser medium to the surface of a less dense medium are no longer refracted but totally reflected.

Reactance can be defined as the non-resistive component of impedance in an AC circuit, arising from the effect of inductance or capacitance or both and causing the current to be out of phase with the electromotive force causing it.

II) impedance in an ac circuit can be defined as the total opposition that a circuit presents to alternating current.

Reactance is the opposition offered to the passage of an alternating current by either the inductor OR the capacitor or both.

Impedance is the overall opposition of a mixed circuit To the flow of an alternating current in a ressistor OR capacitor.

E.m.f is induced in an a.c generator so as to create more magnetic flux which generates an induced current.

The carbon brushes makes contact with the springs so that the amature rotates through it. Induced current will be produced. It also used to alternate the direction of the current produced.

The law states that if the first three fingers of one's right hand are held at right angles to each other with the fore finger in the direction of the the field and the third in the direction of the motion, the middle finger points in the direction of the induced current.

-Increasing the no of coils.
- The presence of soft iron core inside the coil.

Energy E = power × time
E = pt; where p=6w, t=60mins
E= 6 ×5 ×60
= 180J



Time=>5mins =>5*60 =300secs



binding energy is the minimum energy that would be required to disassemble the nucleus of an atom into its component parts. These component parts are neutrons and protons, which are collectively called nucleons

(12a) This is defined as the amount of energy that must be supplied to a nucleus to completely separate it's nuclear particles (nucleons)

(i) They have short wavelength and high frequency.
(ii) They are highly penetrating.
(iii) They travel in straight lines.
(iv) They don't require material medium for their propagation.

-It is used in production of electricity.
-It is used to study and detect charges in genetic engineering.
-It is used in agriculture.
-It is used in treatment of cancer.

E = hf-hfo
but f = v/landa
E= v/landa.h - wo
Where wo = hfo = work function
f= frequency
landa = wavelength
hf = hfo - E
f = hfo - E/h
f = wo - E/h
Recall; that v = f landa
Therefore f = v/landa = 3×10^8/4.5×10-7
=3/4.5 × 10^8+7
f = 6.6×10^14Hz

E = hf
=6.6×10^-34 × 6.6×10^14Hz

Energy of the photoelectron E = hf - vo
=Energy of incident electron - work function
=4.356×10^-19J - 3.0×10^-19J

Best Regards
Dr Mind

Attached Files


Posted by: drmind - 04-19-2018, 06:38 AM - Forum: General School News - Replies (1)

Hello Bloggerians, 

To all my accounting students, don't worry I've got you covered. Answers will be posted here shortly, don't be stingy invite your friends and school mates to blognigeria to come and join you in enjoying all the goodies we provide here in blognigeria. 

*Financial Accounting Objective*




It can result in a business exhausting the budget, leading to spending more than
what is coming in.

Businesses may need to file for bankruptcy or shut their doors if they fail to keep adequate records from the

It can result in problems with suppliers, payroll, utilities, and other vital components to a running successful business.



Merchandise stock

It is the inventory of trading goods held by the trader.

Manufacturing Stock

It is the inventory held for manufacturing and selling of goods. Based on the value addition or stage of completion, the manufacturing inventories are further classified into 3 types of inventory – Raw Material, Work-In-Progress, and Finished Goods

Anticipatory Stock

Based on the past experiences, a businessman is able to foresee the future trends of the market and takes certain decisions based on that. Expecting a price rise, a spurt in demand etc some businessman invests money in stocking those goods. Such kind of inventory is known as anticipatory stock. It is normally the raw materials or finished goods and this strategy is executed by traders.

Where a big business with diverse trading activities is conducted under the same roof the same is usually divided into several departments and each department deals with a particular kind of goods or service. For example, a textile merchant may trade in cotton, woolen and jute fabrics. The overall performance for this type of business depends, however, on departmental efficiency.

(i) Compare the results among the different departments together with the previous results thereof,

(ii) Formulate policy in order to extend or to develop the enterprise in the proper line; and

- employees
- banks
- government
- creditors
- analyst
- owners

Obihan trading profit and loss account

SALES = 1,200,000
Less return inward =
= 1,185,000

Less cost of sales
Opening stock = 3000,000
Add purchase 1,050,000
Less return outward = 18,600

Net purchase=1,031,400
Cost of goods available. =1,331,400
Less closing stock=360,000
Cost of goods sold=971,400

Rates (18,000 +1,500) = 16,500
Rates ( 18,000 + 660) = 3,660
Salaries (90,000 + 15,000) = 105,000
Bad Debits = 600
Insurance = 93,000
Depreciation: Furniture 9,000
Machineries = 18,000
Provision for bad debit = 540
NET LOSS 246,300

Best Regards 
Dr Mind 

Posted by: drmind - 04-19-2018, 06:35 AM - Forum: General School News - No Replies

Biology- Obj


1i) sperm cell is the male reproductive cell that is expelled along with the seminal fluid or semen when a man ejaculates. In humans, spermatozoa determine the gender of the baby-to-be, which means that they can carry either the X or the Y chromosome.

1i) sperm cell is the male reproductive cell that is expelled along with the seminal fluid or semen when a man ejaculates. In humans, spermatozoa determine the gender of the baby-to-be, which means that they can carry either the X or the Y chromosome.

ii)Palisade cells are found in the mesophyll of a leaf and their main function is the absorption of light so that photosynthesis can take place. The palisade mesophyll consists of chloroplasts with chlorophyll that absorb the light energy.

Biology- Ans
2 a )
i ) carbon dioxide
ii) Nitrogen
2 b )
i ) CO 2 is used by plants to photosynthesize carbohydrates .
ii) Nitrogen is a major component of chhlorophyll
2 ci )
Variegated leaf is a leaf that has green parts ( where the cells contain chlorophyll) and non green parts ( where there is no chlorophyll) .
2 cii )
The green parts
2 ciii )
i ) The parts without chlorophyll do not photosynthesise
ii) the cells contain chlorophyll

i)carbon dioxide 

i)CO2 is used by plants to photosynthesize carbohydrates. 
ii)Nitrogen is a major component of chhlorophyll

Variegated leaf is a leaf that has green parts (where the cells contain chlorophyll) and non green parts (where there is no chlorophyll).

The green parts

i)The parts without chlorophyll do not photosynthesise 
ii)the cells contain chlorophyll.


Tapeworm; Venus flytrap 


Rhizopus; mushroom; housefly. 

Spirogyra; waterleaf plant; elephant grass.

renewable resource is a resourcewhich can be used repeatedly and replaced naturally.

nonrenewable resource is a resource of economic value that cannot be readily replaced by natural means on a level equal to its consumption. 

ii)fresh water
ii)natural gas

i)Regulated and Planned Cutting of Trees.
ii)Control over Forest Fire.
iii)Reforestation and Afforestation.
v)Check over Forest Clearance for Agricultural and Habitation Purposes.
iv)Proper Utilisation of Forest and Forests Products.


 A gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.


 A gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.


4aii) HYBRID

In biology, a hybrid, or crossbreed, is the result of combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction.

6a. chemosynthesis is the biological conversion of
one or more carbon-containing molecules (usually carbon
dioxide or methane ) and nutrients into organic matter using the oxidation of inorganic compounds (e.g., hydrogen gas,
hydrogen sulfide ) or methane as a source of energy, rather than sunlight, as in photosynthesis.

6b. A good example is the giant tube worm
which is found in great numbers surrounding deep hydrothermal vents. Each worm houses chemosynthetic bacteria in an organ called a trophosome.

Some organisms that rely
on chemosynthesis to derive the energy they need include
nitrifying bacteria, sulfur-oxidizing bacteria, sulfur-reducing
bacteria, iron-oxidizing bacteria, halobacterium, bacillus,
clostridium, and vibrio, among others.

(pick two)

Alternative Question 6

Chemosynthesis is the biological conversion of one or more carbon-containing molecules (usually carbon dioxide or methane) and nutrients into organic matter using the oxidation of inorganic compounds (e.g., hydrogen gas, hydrogen sulfide) or methane as a source of energy, rather than sunlight
ii)methanogenic archaea
Nitrogen — 78 percent.
Oxygen — 21 percent.
Argon — 0.93 percent.
Carbon dioxide — 0.04 percent.

6 c )
i ) They are composed of relatively few species of plants
ii) The salt level of the habitat is high
iii ) High flooding rate
iv ) extreme temperature and salinity fluctuations.

6 cii )
Roots of salt marsh plants help stabilize the sandy substrate and trap and hold nutrients and detritus that flow through with each tidal cycle. This detritus trap helps feed bacteria , algae , and invertebrates . These root tangles also provide critical refuge for small fish and other animals .

Best Regards
Dr Mind

Attached Files


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Posted by: Cjudy - 04-18-2018, 08:11 AM - Forum: Free Browsing tips And Codes - No Replies

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Whatsapp me on 08034644451

Posted by: drmind - 04-17-2018, 01:00 PM - Forum: General School News - Replies (1)

Hello Bloggerians,

Posted for sake of a good mind I have.


Completed ✅✅

On February 28th 2012, value = (100-30/100) * #900,00.00
= 70/100 * #900,00
= #630,000.00
On february 28th 2013, value = (100-22/1000 * #630,00
= 78/100 8 #630,000
= #491,400
On february 28th 2014, value = 78/100 8 #491,400
On february 28th 2015, value = 78/100 * #383,292
= #298,967.76
= #299,000
Given that y = 2pxˆ² – p² x – 14
AT (3, 10)
10 = 2p(3)² – p² (3) – 14
10 = 18p – 3p² – 14
3p² – 18p + 24 = 0
p² – 6p + 8 = 0
using factor method,
p² – 2p -4p + 8 = 0
p(p-2) – 4(p-2) = 0
(p-4)(p-2) = 0
p-4 = 0 or p-4 = 0
p= 4 or p =2
2b) The lines must be solved simultenously
3y – 2x = 21 ——- (1)
4y + 5x = 5 ——-(2)
using elimination method,
(4) 3y – 2x = 21
(30 4y + 5x = 5
12y – 8y = 84 ——— (3)
12y + 15x = 15 ——-(4)
equ (4) minus equ(3)
23x = -69
x = -69/23
x = -3
Put this into equation (1)
3y -2(-3) = 21
3y = 6 = 21
3y = 21 -6
3y = 15
y =15/3
y = 5
coordinates of Q is (-3, 5)
The diagonal = 10.2m and 9.3cm
Using Pythagoras theory
Ac² = 10.2² + 9-3²
Ac² = 104.04 + 86.49
Ac² = 190.53
Ac² = √190.53
Ac² = 13.80
Using Pythagoras theory
5² = 3² + x²
x² = 5² – 3²
X²= 25 – 9
X² = √16
X= 4cm
CosX = adjacent/hyp
= 4/5
Tan X = opp/adj. = 3/4
5cos x – 4tan x
5(4/5)- 4(3/4)
20/5 – 12/4
4-3= 1
sum of angle in a D =180degree
xdegree + 90degree + 180degree – (3x+15)=180degree
xdegree + 90degree + 180degree – 3x+15=180degree
-2x=180degree – 255
<rsq =180 – (3x+15)
<rsq =180-(3*37.5+15)
=180-(112.5 + 15)
=180 – 127.5
<rsq= 52.5degree
2N4seven =15Nnine
2*7^2+N*7^1+4*7degree =1*9^2 + 5*9^1+N*9degree
6N/6 =24/6

Cost price for Lami= #300.00
Profit made by lami = x%
Ie selling price for lami=(100+x/100)×#300

Bola's cost price = #3(100+x)
Profit made by bola =x%
Selling price for bola =(100+x/100)×#3(100+x)

James cost price =#3/100(100+x)²=300+(6x+3/4)
3/100(10000+200+x²) = 300+3/4+6x
X² = 75/3
X² = 25
X = square root 25
X = 5

3x-2<10+x & 10+x<2+5x
3x-x<10+2 & 10-2<5x-x
2x<12 8<4x
X<12/2 4x>8
X<6 x>8/4

Also; 3x-2<2+5x
2x > -4
X > -2
Therefore; Range is -2<X<6

Cross multiply


therefore |QR|=9.43km(3 sf)

sinq=(8*1)/9.4339 =0.8480
Q=sin^1(0.8480)=57.99 degrees
but Q=30+ A
A=27.99 degrees
The bearing of R from Q
=>152 degrees

Draw the diagram
Angles PTR and PSR are similar
|PT|/|PS| = |TQ|/|SR|
In angle PTR
|TQ|=√10.432 =3.22cm
4/10 = 3.22/|SR|
4|SR| = 10×3.22
|SR| = 32.2/4
|SR| = 8.05cn
Approximately 8cm(to the nearest whole number)
AΔPTR = 1/2×4×6×sin30
AanglePTQ/AanglePSR = |PT|²/|PS|²
6/AanglePSR = 4²/10²
6/AanglePSR = 16/100
16×AanglePSR = 6×100
AanglePSR = 600/16 = 37.5cm2
ATQRS = 37.5 – 6

(10a) Using Pythagoras theorem from SPQ
|SQ|^2 = 12^2 + 5^2
= 144+25
SQ= sqroot of 169
= 13cm
Sin tita= 5/13 = 0.3846
Tita= Sin^-1(0.3846)
= 22.6degrees
From PRQ
Sin tita= |PR|/12
Sin 22.6 = PR/12
Sin 22.6= PR/12
PR= 12xsin 22.6
PR= 12×0.3843
PR= 4.61cm
(10bii)Let the height at which m touches the wall= y
Cos x^degrees= 8/10= 0.8
x^degrees= Cos^-1(0.8)
= 36.87degrees
Sin x^degrees = y/12
Sin 36.87= y/12
y= 12xsin36.87
y= 12×0.60000
y= 7.2m

75% of 500 = 375 people
Number of people above 65 years = 500-375
25% of 500 = 125
Number of people below 15 years = 125
Number between 15 years and 65 years
=250 people

I just want to pass out a few things you should note. There's no doubt that you guys writing WAEC this year, have written it smoothly without any problems.

Tomorrow, you'll be sitting for the toughest subject, which is Mathematics. I have been making emphasis on how you guys show lack of appreciation for all of my efforts.

And I want all of you to note this, I will be posting Mathematics tomorrow, but it will not be without a token, you guys think I get the questions at zero cost or what? And post it with free data shey? Money is spent, but you guys don't want to even send airtime so, I can use to buy data.
Which is why I have decided not to post Mathematics for FREE!

Check every website on the internet, you'll never find any site who posts answers for free, the way I've been doing on blognigeria. Every other website only give answers to those who subscribed to them. But, you guys have been enjoying free answers and abused the privileges immensely. Which is why I have to do this.

You will not find any site offering Mathematics tomorrow for not less than a thousand naira or say eight hundred.. If you think I'm joking, Google right now and find out for yourself. I can't be stressing myself out for you guys, and I'll be neglected without rewards. Heaven knows I've done the best I could possibly do, and nobody will say I've not tried for you guys during this examination period.

If only you guys have been cooperating well, I won't be here lamenting, would have posted it all for free. But, my kind gesture has been taken for granted. Besides, I know that there are many people here who copy my posts and sell them to people. I know, I've seen many of such sites. Well done ooh.

Just so you know, I have a B. Tech (bachelor of technology) in Pure and Applied Statistics. Mathematics will be the smoothest paper.

I have created a special group on whatsapp, for those who will enjoy the paper tomorrow, that is after payment has been made and has been verified.

For those who are not on whatsapp, make sure you register on this blog, and message me, then I'll send you the answers privately. (that's after you've paid oooh)

The fee for Waec Mathematics is not too much, and I think it's well deserved for all my efforts thus far.

Message me on whatsapp on - 08064037783
For all your inquiries...

Don't worry every other paper left after mathematics will be posted for free as usual..

Best Regards
Dr Mind

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