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Mathematics Past Questions

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40 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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Past Questions

40 questions

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Question 11

jamb 2021

A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pipe is 10cm.Find the volume of metal used in making 3m of the pipe.

A153\(\pi\)cm³

B207\(\pi\)cm³

C15 300\(\pi\)cm³

D20 700\(\pi\)cm³

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Question 12

jamb 2021

Each of the interior angles of a regular polygon is 140°. How many sides has the polygon?

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Question 13

jamb 2021

Find the length of a side of a rhombus whose diagonals are 6cm and 8cm

A8cm

B5cm

C4cm

D3cm

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Question 14

jamb 2021

The angle of a sector of a circle, radius 10.5cm, is 48°, Calculate the perimeter of the sector

A8.8cm

B25.4cm

C25.6cm

D29.8cm

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Question 15

jamb 2021

P(-6, 1) and Q(6, 6) are the two ends of the diameter of a given circle. Calculate the radius.

A6.5 units

B13.0 units

C3.5 units

D7.0 units

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Question 16

jamb 2021

Three brothers in a business deal share the profit at the end of a contract. The first received \(\frac{1}{3}\) of the profit and the second \(\frac{2}{3}\) of the remainder. If the third received the remaining N12000.00 how much profit did they share?

AN60 000.00

BN54 000.00

CN48 000.00

DN42 000.00

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Question 17

jamb 2021

Simplify \(\sqrt{27}\) + \(\frac{3}{\sqrt{3}}\)

A4\(\sqrt{3}\)

B\(\frac{4}{\sqrt{3}}\)

C3\(\sqrt{3}\)

D\(\frac{\sqrt{3}}{4}\)

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Question 18

jamb 2021

Simplify and express in standard form \(\frac{0.00275 \times 0.00640}{0.025 \times 0.08}\)

A8.8 x 10^-1

B8.8 x 10^-2

C8.8 x 10^-3

D8.8 x 10³

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Question 19

jamb 2021

Three children shared a basket of mangoes in such a way that the first child took \(\frac{1}{4}\) of the mangoes and the second \(\frac{3}{4}\) of the remainder. What fraction of the mangoes did the third child take?

A\(\frac{3}{16}\)

B\(\frac{7}{16}\)

C\(\frac{9}{16}\)

D\(\frac{13}{16}\)

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Question 20

jamb 2021

At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?

A\(\frac{1}{2}\)%

B2\(\frac{1}{2}\)%

C1.5%

D25%

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Question 21

jamb 2021

Find the mean deviation of 1, 2, 3 and 4

A1.0

B1.5

C2.0

D2.5

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Question 22

jamb 2021

Correct 241.34(3 x 10\(^{-3}\))\(^2\) to 4 significant figures

A0.0014

B0.001448

C0.0022

D0.002172

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Question 23

jamb 2021

Find the derivative of the function y = 2x\(^2\)(2x - 1) at the point x = -1?

A18

B16

C-4

D-6

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Question 24

jamb 2021

The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm\(^3\), then the volume of the other block is?

A234.00 cm³

B526.50 cm³

C166.00 cm³

D687cm³

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Question 25

jamb 2021

find the value of p if the line which passes through (-1, -p) and (-2,2) is parallel to the line 2y+8x-17=0?

A\(\frac{-2}{7}\)

B\(\frac{7}{6}\)

C\(\frac{-6}{7}\)

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Question 26

jamb 2021

A trapezium has two parallel sides of lengths 5cm and 9cm. If the area is 91cm\(^2\), find the distance between the parallel sides

A13 cm

B4 cm

C6 cm

D7 cm

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Question 27

jamb 2021

determine the maximum value of y=3x\(^2\) + 5x - 3

DNo correct option

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Question 28

jamb 2021

What is the rate of change of the volume V of a hemisphere with respect to its radius r when r = 2?

A8π

B16π

C2π

D4π

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Question 29

jamb 2021

In how many ways can 2 students be selected from a group of 5 students in a debating competition?

A25 ways

B10 ways

C15 ways

D20 ways

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Question 30

jamb 2021

Solve the following equation: \(\frac{2}{(2r - 1)}\) - \(\frac{5}{3}\) = \(\frac{1}{(r + 2)}\)

A( -1,\(\frac{5}{2}\) )

B( 1, - \(\frac{5}{2}\) )

C( \(\frac{5}{2}\), 1 )

D(2,1)

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