Multiple choice

A, B and C spend 80%, 85% and 75% of their incomes, respectively. If their savings are in the ratio 8:9:20 and the difference between the incomes of A and C is Rs. 18,000, then the income of B is:

  1. Rs. 24,000

  2. Rs. 27,000

  3. Rs. 30,000

  4. Rs. 36,000

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

Savings ratio is 8:9:20. Savings are 20%, 15%, 25% of incomes. So incomes ratio = (8/20):(9/15):(20/25) = 0.4:0.6:0.8 = 2:3:4. Let incomes be 2x, 3x, 4x. Difference between C and A = 2x = 18,000. Thus x = 9,000. B's income = 3x = 27,000.