Mathematics 1991 Waec Past Questions and Answers

Question 16 :

• WAEC 1991

A headmaster contributes 7% of his income into a fund and his wife contributes 4% of her income. If the husband earns N5,500 per annum (p.a) and the wife earns N4,000 (P.a), find the sum of their annual contribution to the fund

A. N1045
B. N605
C. N545
D. N490
E. N440

Question 17 :

• WAEC 1991

A car is travelling at an average speed of 80km/hr. Its speed in meters per second (m/s) is

A. 13.3m/s
B. 22.2m/s
C. 133.3m/s
D. 222.2m/s
E. 1333.3m/s

Question 18 :

• WAEC 1991

Mrs. Kofi sold an article for C7.50 instead of C12.75. Calculate her percentage of error, correct to one decimal place.

A. 41.2%
B. 18.3%
C. 5.3%
D. 1.7%
E. 1.4%

Question 19 :

• WAEC 1991

Find the area of the enclosed region, PXROY correct to the nearest whole number

A. 96cm²
B. 116cm²
C. 154cm²
D. 192cm²
E. 385cm²

Question 20 :

• WAEC 1991

Find the perimeter of the region

A. 22cm
B. 33cm
C. 40cm
D. 47cm
E. 66cm