Waecmaths
Title | waecmaths question |
---|---|
Question 1 |
If x% of 240 equal 12, find x |
Question 2 |
Evaluate $\frac{{{(3.2)}^{2}}-{{(4.8)}^{2}}}{3.2+4.8}$ |
Question 3 |
Find the product of 0.0409 and 0.0021 leaving your answer in the standard form |
Question 4 |
Simplify $\sqrt{50}+\frac{10}{\sqrt{2}}$ |
Question 5 |
P naira invested for 4 years at r % simple interest per annum yield 0.36P naira interest. Find the value of r |
Question 6 |
Convert 42_{5} to a base three numeral |
Question 7 |
A trader bought 100 tubers of yam at 5 for N350.00. She sold them in set of 4 for N290.00. Find her gain percent |
Question 8 |
If $p-2g+1=g+3p$ and $p-2=0$ , find g |
Question 9 |
Simplify $\frac{\tfrac{1}{x}+\tfrac{1}{y}}{x+y}$ |
Question 10 |
Simplify $\sqrt[3]{27{{x}^{3}}{{y}^{9}}}$ |
Question 11 |
Given that x = 2 and $y=-\frac{1}{4}$, evaluate $\frac{{{x}^{2}}y-2xy}{5}$ |
Question 12 |
Factorize $5{{y}^{2}}-2ay-3{{a}^{2}}$ |
Question 13 |
If 4y is greater than the sum of y and 3x, by how much is y greater than x |
Question 14 |
If $p=\tfrac{3}{5}\sqrt{\tfrac{q}{r}}$ express q in term of p and r |
Question 15 |
Simplify $\frac{2{{x}^{2}}-5x-12}{4{{x}^{2}}-9}$ |
Question 16 |
In the diagram $\angle QPR={{90}^{\circ }}$ , if ${{q}^{2}}=25-{{r}^{2}}$ find the value of p |
Question 17 |
POR is a sector of a circle centre O, radius 4cm, if $\angle PQR={{30}^{{}^\circ }}$. Find, correct to 3 significant figures, the area of sector POR $\pi =\tfrac{22}{7}$ |
Question 18 |
If the volume of a cube is 343cm^{3}. Find the length of its side |
Question 19 |
In the diagram PQRS is a rhombus$\left| PR \right|=10cm\text{ and }\left| QS \right|=24cm$. Calculate the perimeter of the rhombus. |
Question 20 |
In the diagram \[\left| PR \right|=\left| QR \right|\] and $\left| PR \right|=\left| RS \right|=\left| SP \right|$ , calculate the size of $\angle QRS$ |
Question 21 |
In the figure shown, PQS is a straight line. What is the value of $\angle PRQ$ |
Question 22 |
In the diagram, $PQ\parallel RS,\text{ }QU\parallel PT\text{ and }\angle PSR={{42}^{{}^\circ }}$. Find the angle x |
Question 23 |
The angle of a quadrilateral are ${{(x+10)}^{o}},2{{y}^{o}},{{90}^{o}}\text{ and (100}-y{{)}^{o}}$. Find y in term of x |
Question 24 |
In the figure $\left| PX \right|=\left| XQ \right|,\text{ }\left| PQ \right|\parallel \left| YZ \right|$ and $XY\parallel QR$>What is the ratio of the area of XYZQ to $\Delta YZR$ ? |
Question 25 |
In the diagram, O is the centre of the circle and PQRS is a cyclic quadrilateral. Find the value of x |
Question 26 |
If ${{x}^{o}}$ is obtuse, which of the following is true? |
Question 27 |
if $\tan x=1$evaluate $\sin x+\cos x$ leaving your answer in surd form |
Question 28 |
If $\cos {{(x+25)}^{o}}=\sin {{45}^{o}}$, find the value of x |
Question 29 | |
Question 30 |
If ${{2}^{n}}=128$ , find the value of $({{2}^{n-1}})({{5}^{n-2}})$ |
Question 31 |
If $x\propto (45+\tfrac{1}{2}y)$ which of the following is true |
Question 32 |
Simplify $\frac{\log \sqrt{8}}{\log 4-\log 2}$ |
Question 33 |
Every staff in an office owns either a Mercedes or Toyota car. 20 owns Mercedes, 15 own Toyota and 5 own both. How many staff are there in the office? |
Question 34 |
A train travel 60km in M minutes, If its average speed is 400 km per hour, find the value of M |
Question 35 |
An arc of a circle, radius 14cm is 18.33cm long Calculate correct to the nearest degree, the angle which the arc subtends at the centre of the circle Take$\pi=\tfrac{22}{7}$ |
Question 36 |
What is the length of an edge of a cube whose total surface is X cm^{2} and whose volume is $\tfrac{x}{2}c{{m}^{2}}$ |
Question 37 |
XY is a chord of circle centre O and radius 7. The chord XY which is 8cm long subtends an angle of 120^{o} at the centre of the circle . Calculate perimeter of the minor segment[Take $\pi =\tfrac{22}{7}$] |
Question 38 |
If the perimeter of ΔPQR in the diagram is 24cm, what is the area of ΔPRS? |
Question 39 |
If $p=\frac{1}{2}$ and $\frac{1}{p-1}=\frac{2}{p+x}$ , find the value of x |
Question 40 |
Find the quadratic equation whose roots are c and –c |