# Waecmaths

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Question 1 |
Simplify 0.000215 × 0.000028 and express your answer in standard form |
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Question 2 |
Factorise $x+y-ax-ay$ |
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Question 3 |
In the diagram $\angle PSR={{22}^{{}^\circ }},\text{ }\angle SPQ={{58}^{{}^\circ }}$ and Calculate the obtuse angle |
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Question 4 | |||||||||||||

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Question 6 |
A car uses one litre of petrol for every 14km. If one litre of petrol cost N63.00, how far can the car go with N900.00 worth of petrol? |
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Question 7 |
Correct 0.002473 to 3 significant figures |
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Question 8 |
Simplify $1\tfrac{1}{2}+2\tfrac{1}{3}\times \tfrac{3}{4}-\tfrac{1}{2}$ |
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Question 9 |
The sum of 2 consecutive whole numbers is $\tfrac{5}{6}$ of their product. Find the numbers |
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Question 10 |
What is the value of |
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Question 11 |
In the diagram, $QR\parallel ST,\text{ }\left| PQ \right|=\left| PR \right|$ $\text{ and }\angle PST={{75}^{{}^\circ }}$. find the value of y |
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Question 12 |
A casting is made up of Copper and Zinc. If 65% of the casting is Zinc and there are 147g of Copper. What is the mass of the casting? |
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Question 13 |
Given that $P=\{x:1\le x\le 6\}$ and $Q=\{x:2<x<10\}$ , where |
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Question 14 |
The sum of 6 and one –third of |
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Question 15 |
Given that $T=\{x:-2<x\le 9\}$ where |
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Question 16 |
Solve the inequality $3(x+1)\le 5(x+2)+15$ |
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Question 17 |
An empty rectangular tank is 250cm long and 120 cm wide. If 180 litres of water is poured into the tank, calculate the height of the water. |
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Question 18 |
Given that $\frac{{{5}^{n+3}}}{{{25}^{2n-3}}}={{5}^{0}}$ , find |
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Question 19 |
The table shows the number of pets kept by 30 students in a class. If a students is picked at random from the class . What is the probability that he/she kept |
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Question 20 |
Simplify $2\sqrt{3}-\frac{6}{\sqrt{3}}+\frac{3}{\sqrt{27}}$ |
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Question 21 |
In the diagram, triangle |
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Question 22 |
In the diagram, the tangent |
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Question 23 |
Simplify $\frac{2}{2+x}+\frac{2}{2-x}$ |
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Question 24 |
A rectangle has length |
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Question 25 |
Given that $\tan x=1$ where ${{0}^{\circ }}\le x\le {{90}^{\circ }}$ evaluate $\frac{1-{{\sin }^{2}}x}{\cos x}$ |
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Question 26 |
If $\sin 3y=\cos 2y$ and ${{0}^{\circ }}\le y\le {{90}^{\circ }}$, find the value of |
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Question 27 |
The sum of the exterior angles of an |
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Question 28 | |||||||||||||

Question 29 |
If $y=\frac{2\sqrt{{{x}^{2}}+m}}{3N}$ make |
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Question 30 |
The |
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Question 31 |
In the diagram, |
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Question 32 |
How many times, correct to the nearest whole number, will a man run around a circular track of diameter 100 |
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Question 33 |
The shaded portion in the diagram is the solution |
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Question 34 |
In the diagram, $\left| EF \right|=8cm$ $\left| FG \right|=xcm$ $\left| GH \right|=(x+2)cm$ , $\angle EFG={{90}^{\circ }}$ If the area of the shaded portion is 40cm |
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Question 35 |
In the diagram |
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Question 36 |
Bala sold an article for N6,900.00 and made a profit of 15%. If he sold it for N6,600, he would make a |
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Question 37 |
In the diagram $\angle ROS={{66}^{\circ }}$and $\angle POQ=3x$ .Some construction lines are shown. Calculate the value of |
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Question 38 |
The mean age of |
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Question 39 |
39. What is the equation of the line described in the table? |
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Question 40 |
What is the value |