Multiple choice

The average age of a woman and her daughter is 46 years. The ratio of their present ages is 15 : 8 respectively. What is the daughter’s age?

  1. 30

  2. 32

  3. 34

  4. 36

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let woman's age = 15x, daughter's age = 8x. Average = (15x+8x)/2 = 46. So 23x/2 = 46, x = 4. Daughter = 8×4 = 32 years. Verify: Woman = 60, daughter = 32, average = (60+32)/2 = 46 ✓