Multiple choice

A certain amount is distributed among A, B, C and D in the ratio of 2:7:11:12 respectively. If the total share of B and D is Rs. 6650, what is the difference between the share of A and D?

  1. $Rs. 3600$
  2. $Rs. 3500$
  3. $Rs. 3800$
  4. Can't be determined

  5. None of these

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

Let shares be 2x, 7x, 11x, 12x for A, B, C, D. Given B + D = 7x + 12x = 19x = 6650, so x = 350. Difference between D and A = 12x - 2x = 10x = 10 × 350 = 3500. Option A (3600) incorrectly uses x = 360. Option C (3800) is a calculation error.