Waec Mathematics Past Questions For Year 1990

Question 1

The annual salary of Mr. Johnson Mohammed for 1989 was N12,000.00. He spent this on agriculture projects, education of his children, food items, saving , maintenance and miscellaneous items as shown in the pie chart

How much did he spend on food items?

waec 1990

• A. N9,700.00
• B. N6,700.00
• C. N2,000.00
• D. N4,000.00
• E. N2,300.00

Question 2

Simplify 125\(^{\frac{-1}{3}}\) x 49\(^{\frac{-1}{2}}\) x 10\(^0\)

waec 1990

• A. 350
• B. 35
• C. 1/35
• D. 1/350

Question 3

Evaluate using the logarithm table, log(0.65)²

waec 1990

• A. 1.6258
• B. 0.6272
• C. 0.6258
• D. 3.6258
• E. 1.6272

Question 4

Simplify \(\frac{\log \sqrt{8}}{\log 8}\)

waec 1990

• A. 1/3
• B. 1/2
• C. ¹/₃log√2
• D. ¹/₃log√8
• E. ¹/₂log√2

Question 5

Given that 1/3log₁₀ P = 1, find the value of P

waec 1990

• A. 1/10
• B. 3
• C. 10
• D. 100
• E. 1000