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Mathematics Past Questions

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

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97 questions

Question 1 of 20 97 total questions

Question 21

waec 2022

A weaver bought a bundle of grass for $ 50.00 from which he made 8 mats. If each mat was sold for $ 15.00, find the percentage profit.

A240%

B140%

C120%

D40%

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Question 22

waec 2022

If 4$^{3x}$ = 16$^{x+1}$, find the value of x

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Question 23

waec 2022

Evaluate 23 x 54 (mod 7)

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Question 24

waec 2022

If √24 + √96 - √600 = y√6, find the value of y

C-2

D-4

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Question 25

waec 2022

Given that A and B are sets such that n(A) = 8, n(B)=12 and n(AnB) =3, find n(AuB).

A15

B17

C20

D23

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Question 26

waec 2022

Change 432$_{five}$ to a number in base three.

A10100$_{three}$

B11100$_{three}$

C11101$_{three}$

D10110$_{three}$

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Question 27

waec 2022

Evaluate, correct to four significant figures, (573.06 x 184.25).

A105600.00

B105622.00

C105500.00

D105632.00

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Question 28

jamb 2022

If a dress is sold for #3800.00 at 20% discount. what is its original price?

A#3,000.00

B#4,000.00

C#5,000.00

D#4,750.00

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Question 29

jamb 2022

The number line represented by the inequality

Ax≤2

Cx≥2

Dx>2

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Question 30

jamb 2022

Three times a certain number (x), minus 2 is less than the number minus 6.Find the possible values of x.

Bx>2

Cx>-2

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Question 31

jamb 2022

If n(P) = 20 and n(Q) = 30 and n(PuQ) = 40, find the value n(PnQ)

A10

B30

C15

D40

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Question 32

jamb 2022

Factorize 4a$^2$ - 9b$^2$

A(2a-3b) (2a+3b)

B(2a-b) (2a+3b)

C(2a-3b) (a+3b)

D(a-3b) (a+3b)

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Question 33

jamb 2022

Find x if the mean of 2x, 4x, 2x - 13 and 6x is 4.

A1.5

B2.0

C1.0

D0.5

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Question 34

jamb 2022

If 8, p, q and 26 is an A.P. Find the values of p and q

Ap = 14 and q = 14

Bp = 20 and q = 14

Cp = 20 and q = 20

Dp = 14 and q = 20

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Question 35

jamb 2022

If y varies inversely as x and x = 3 when y =4. Find the value of x when y = 12

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Question 36

jamb 2022

Let (*) be a binary operation on a natural number defined by a * b = a - b + (ab)$^2$, then find 3 * 5

A223

B232

C32

D-232

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Question 37

jamb 2022

In the diagram above, XY = 8cm and OX = 5cm. Find Oz

A9cm

B3.4cm

C9.1cm

D3cm

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Question 38

jamb 2022

Given that S = $3t^{2}$ + 5t - 10 is displacement of a particle in metres, calculate it initial velocity.

A10m/s

B2m/s

C5m/s

D6m/s

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Question 39

jamb 2022

Evaluate $^{n^2 + 1}$C$_{n+5}$ if n = 3

A55

B45

C35

D25

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Question 40

jamb 2022

The coordinates of the mid-point of the line joining the points (-3,5) and (2,10) is given by?

A( $\frac{1}{2}$, $\frac{15}{2}$ )

B( $\frac{1}{2}$, $\frac{-15}{2}$ )

C( $\frac{-1}{2}$, $\frac{-15}{2}$ )

D( $\frac{-1}{2}$, $\frac{15}{2}$ )

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