# Mathematics 2022 Past Questions | WAEC

Study the following Economics past questions and answers for JAMBWAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.

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

• A. 105600.00
• B. 105622.00
• C. 105500.00
• D. 105632.00

2. Change 432five  to a number in base three.

• A. 10100three
• B. 11100three
• C. 11101three
• D. 10110three

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

• A. 15
• B. 17
• C. 20
• D. 23

4. If √24 + √96 – √600 = y√6, find the value of y

• A. 4
• B. 2
• C. -2
• D. -4

5. Evaluate 23 x 54 (mod 7)

• A. 2
• B. 3
• C. 5
• D. 6

6. If 43x  = 16x+1, find the value of x

• A. 2
• B. 3
• C. 4
• D. 5

7. 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.

• A. 240%
• B. 140%
• C. 120%
• D. 40%

8. Find the 17term of the Arithmetic Progression (A.P):-6,-1,4

• A. -91
• B. -86
• C. 74
• D. 79

9. M varies directly as n and inversely as the square of p. If M= 3 when n = 2 and p = 1, find M in terms of n and p.

• A. 3n/2p2
• B. 2n/3p2
• C. 2n/3p
• D. 3n2/p2

10. A. 0.51

• B. 0.91
• C. -0.19
• D. -0.51

11. Three boys shared D 10,500.00 in the ratio 6:7:8. Find the largest share.

• A. 4000
• B. 5000
• C. 4500
• D. 3500

12. The length of a piece of stick is 1.75 m. A boy measured it as 1.80 m. Find the percentage error

• A. 4 4/7
• B. 2 6/7
• C. 2 7/9
• D. 4 7/9

13. If 5x + 3y=4 and 5x-3y= 2, what is the value of (25x2-9y2)?

• A. 20
• B. 16
• C. 2
• D. 8

14. Mary has $3.00 more than Ben but$ 5.00 less than Jane. If Mary has $x, how much does Jane and Ben have altogether? • A.$(2x-8)
• B. $(2x+8) • C.$(2x-2)
• D. \$(2x+2)

15. Consider the statements:

p: Stephen is intelligent

q: Stephen is good at Mathematics

If p⇒q, which of the following is a valid conclusion?

• A. If Stephen is good at Mathematics, then he is intelligent
• B. If Stephen is not good at Mathematics, then he is not intelligent
• C. If Stephen is not intelligent, then he is not good at Mathematics
• D. If Stephen is not good at Mathematics, then he is intelligent

Scroll to Top