Waec Mathematics Past Questions and Answers

Question 421:

• WAEC 1995

Express 0.000834 in standard form

A. 8.34 x 10^-4
B. 8.34 x 10^-3
C. 8.34 x 10³
D. 8.34 x 10⁴
E. 8.34 x 10⁶

Question 422:

• WAEC 1995

Given that log₂a = log₈4, find a

A. 2^1/3
B. 4^2/3
C. 4^2/3
D. 2^2/3
E. 2³

Question 423:

• WAEC 1995

By selling some crates of soft drinks for N600.00, a dealer makes a profit of 50%. How much did the dealer pay for the drinks?

A. N1,200.00
B. N900.00
C. N450.00
D. N400.00
E. N200.00

Question 424:

• WAEC 1995

Find the nth term Un of the A.P., 11, 4, -3,....... .

A. Un=19+7n
B. Un=19-7n
C. Un=18+7n
D. Un= 18-7n
E. Un= 17-7n

Question 425:

• WAEC 1995

lf 16/9 , x, 1, y are in Geometric Progression (GP), find the product of x and y.

A. 9/16
B. 3/4
C. 1
D. 4/3
E. 16/6