Mathematics 2004 Waec Past Questions and Answers

Question 1 :

• WAEC 2004

1. Evaluate \( 202^2_{three} - 112^2_{three}\)

A. 21120
B. 21121
C. 21112
D. 21011

Question 2 :

• WAEC 2004

1. Evaluate \( 202^2_{three} - 112^2_{three}\)

A. 21120
B. 21121
C. 21112
D. 21011

Question 3 :

• WAEC 2004

If \(y = 23_{five} + 101_{three}\), find y, leaving your answer in base two

A. 1110
B. 10111
C. 11101
D. 111100

Question 4 :

• WAEC 2004

Given that sin (5x - 28)^o = cos (3x - 50)^o,0 < x < 90^o, find the value of x

A. 14^o
B. 21^o
C. 32^o
D. 39^o

Question 5 :

• WAEC 2004

Solve for t in the equation \(\frac{3}{4}t+\frac{1}{3}(21-t)\) = 11,

A. \(\frac{9}{13}\)
B. \(\frac{9}{5}\)
C. 5
D. \(9\frac{3}{5}\)