Waec Mathematics Past Questions For Year 1990

Question 41

Use mathematical table to evaluate (cos40° - sin30°)

waec 1990

• A. -0.2660
• B. -0.0266
• C. 0.0266
• D. 0.2660
• E. 1.5320

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Question 42

Which of the sketches above gives a correct method for constructed an angle of 120^o at the point P?

waec 1990

• A. I only
• B. II only
• C. III only
• D. I and II only
• E. I, II and III

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Question 43

Two groups of male students cast their vote on a particular proposal. The results are as follows:

	In favor	Against
Group A	128	32
Group B	96	48

If a student is chosen at random, what is probability that he is against the proposal?

waec 1990

• A. 3/19
• B. 4/19
• C. 5/19
• D. 9/19
• E. 10/19

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Question 44

Two groups of male students cast their votes on a particular proposal. The result are as follows:

	In favor	Against
Group A	128	32
Group B	96	48

If a student in favor of the proposal is selected for a post, what is the probability that he is from group A?

waec 1990

• A. 8/19
• B. 16/35
• C. 10/19
• D. 4/7
• E. 4/5

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Question 45

The table shows that the amount of money (in naira)collected through voluntary donations in a secondary school.What is the median of distribution

waec 1990

• A. N3.00
• B. N9.00
• C. N12.00
• D. N15.00
• E. N18.00

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