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Mathematics Past Questions

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1,853 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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1,853 questions

Question 1 of 20 1,853 total questions

Question 381

waec 2010

What is the length of a rectangular garden whose perimeter is 32cm and area 39cm²?

A25cm

B18cm

C13cm

D9cm

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Question 382

waec 2010

Given that tan x = 1, where 0^o \(\geq\) x 90^o, evaluate \(\frac{1 - \sin^2 x}{\cos x}\)

A2\(\sqrt{2}\)

B\(\sqrt{2}\)

C\(\frac{\sqrt{2}}{2}\)

D\(\frac{1}{2}\)

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Question 383

waec 2010

A rectangle has length xcm and width (x - 1)cm. If the perimeter is 16cm. Find the value of x

A3\(\frac{1}{2}\)cm

B4cm

C4\(\frac{1}{2}\)cm

D5cm

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Question 384

waec 2010

If sin 3y = cos 2y and 0^o \(\leq\) 90^o, find the value of y

A18^o

B36^o

C54^o

D90^o

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Question 385

waec 2010

Simplify 2\(\sqrt{3}\) - \(\frac{6}{\sqrt{3}} + \frac{3}{\sqrt{27}}\)

B\(\frac{1}{3}\sqrt{3}\)

C2\(\sqrt{3} - 5\frac{2}{3}\)

D6\(\sqrt{3}\) - 17

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Question 386

waec 2010

\(\begin{array}{c|c} \text{No. of pets} & 0 & 1 & 2 & 3 & 4 \\ \hline \text{No. of students} & 8 & 4 & 5 & 10 & 3\end{array}\) The table shows the number of pets kept by 30 students in a class. If a student is picked at random ftom the class. What is the probability that he/she kept more than one pet?

A\(\frac{1}{5}\)

B\(\frac{2}{5}\)

C\(\frac{3}{5}\)

D\(\frac{4}{5}\)

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Question 387

waec 2010

Given that \(\frac{5^{n +3}}{25^{2n -3}}\) = 5º, find n

An = 1

Bn = 2

Cn = 3

Dn = 5

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Question 388

waec 2010

An empty rectangular tank is 250cm long and 120cm wide. If 180 litres of water is poured into the tank. Calculate the height of the water

A6.0cm

B5.5cm

C5.0cm

D4.5cm

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Question 389

waec 2010

Solve the inequality: 3(x + 1) \(\leq\) 5(x + 2) + 15

Ax \(\geq\) -14

Bx \(\leq\) - 14

Cx \(\geq\) -11

Dx \(\leq\) - 11

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Question 390

waec 2010

Given that = {x: -2 < x \(\leq\) 9}, where x is an integer what is n(T)?

B10

C11

D12

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Question 391

waec 2010

The sum of 6 and one-third of x is one more than twice x, find x

Ax = 7

Bx = 5

Cx = 3

Dx = 2

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Question 392

waec 2010

Given that P = {x : 1 \(\leq x \leq 6\)}, and Q = {x : 2 \(\leq x \leq 10\)} where x is an integer. Find n(P \(\cap\) Q)

D10

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Question 393

waec 2010

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?

A320g

B420g

C520g

D620g

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Question 394

waec 2010

The sum of 2 consecutive whole numbers is \(\frac{5}{6}\) of their product, find the numbers

A3, 4

B1, 2

C2, 3

D0, 1

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Question 395

waec 2010

Simplify 1\(\frac{1}{2} + 2\frac{1}{3} \times \frac{3}{4} - \frac{1}{2}\)

A-2\(\frac{1}{3}\)

B-2\(\frac{1}{4}\)

C2\(\frac{1}{8}\)

D2\(\frac{3}{4}\)

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Question 396

waec 2010

Correct 0.002473 to 3 significant figure

A0.002

B0.0024

C0.00247

D0.0025

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Question 397

waec 2010

A car uses one litre of petrol for every 14km. If one of petrol cost N63.00, how far can the car go with N900.00 worth of petrol?

A420km

B405km

C210km

D200km

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Question 398

waec 2010

Factorize: x + y - ax = ay

A(x - y)(1 - a)

B(x + y)(1 + a)

C(x + y)(1 - a)

D(x - y)(1 + a)

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Question 399

waec 2010

Simplify 0.000215 x 0.000028 and express your answer in standard form

A6.03 x 10⁹

B6.02 x 10⁹

C6.03 x 10^-9

D6.02 x 10^-9

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Question 400

waec 2009

Find the value of x in the diagram

A50^o

B60^o

C70^o

D80^o

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