Mathematics 2005 Waec Past Questions and Answers

Question 1 :

• WAEC 2005

Correct 0.04945 to two significant figures

A. 0.040
B. 0.049
C. 0.050
D. 0.49

Question 2 :

• WAEC 2005

Correct 0.04945 to two significant figures

A. 0.040
B. 0.049
C. 0.050
D. 0.49

Question 3 :

• WAEC 2005

Simplify \(\frac{5}{\sqrt{3}}-\frac{3}{\sqrt{2}}\)

A. \(\frac{1}{6}(5\sqrt{3}-3\sqrt{2}\)
B. \(\frac{1}{6}(15\sqrt{3}-6\sqrt{2}\)
C. \(\frac{1}{6}(3\sqrt{2}-\sqrt{3}\)
D. \(\frac{1}{6}(10\sqrt{3}-9\sqrt{2}\)

Question 4 :

• WAEC 2005

Evaluate, correct to the nearest whole number \(7\frac{1}{2}-\left(2\frac{1}{2}+3\right)\div\frac{33}{2}\)

A. 33
B. 8
C. 7
D. O

Question 5 :

• WAEC 2005

Simplify the expression \(log_{10}18 - log_{10}2.88+log_{10}16\)

A. 31.12
B. 3.112
C. 2
D. 1