Waec Mathematics Past Questions and Answers

Question 366:

• WAEC 1994

A house bought for N100,000 was later auctioned for N80,000. Find the loss percent.

A. 20%
B. 30%
C. 40%
D. 50%
E. 60%

Question 367:

• WAEC 1994

A string is 4.8m. A boy measured it to be 4.95m. Find the percentage error.

A. \( \frac{5}{16} \)%
B. \(1\frac{5}{16} \)%
C. \( 3\frac{1}{33} \)%
D. \( 3\frac{1}{8} \)%
E. 25%

Question 368:

• WAEC 1994

The sum of the 1st and 2nd terms of an A.P. is 4 and the 10th term is 19. Find the sum of the 5th and 6th terms.

A. 11
B. 20
C. 21
D. 22
E. 24

Question 369:

• WAEC 1994

E = (integers \(\leq\) 20), P = (multiples of 3), Q = (multiples of 4), what are the elements of P'∩Q?

A. (12)
B. (4, 8, 16, 20)
C. (3, 6, 9, 15, 18)
D. (1,2,5,7,10,11,13,17,19)
E. (3, 4, 6, 8, 9, 12, 15, 16, 18, 20)

Question 370:

• WAEC 1994

Given that 2p - m = 6 and 2p + 4m = 1, find the value of (4p + 3m).

A. 1
B. 3
C. 5
D. 7
E. 9