passwella.
Menu

WAEC Mathematics 2002 Question 14

Question 14

Ratio, Percentages and Rates

The ratio of the number of men to the number of women in a 20-member committee is 3:1. How many women must be added to the 20-member committee so as to make the ratio of men to women 3:2?

  1. A.2
  2. B.5
  3. C.7
  4. D.9
Show the answer and explanation

Answer: B (5)

Explanation

There are 15 men and 5 women. For 15 : w = 3 : 2 we need w = 10, so 5 women must be added.