Multiple choice general knowledge math & puzzles

The incomes of two people are in the ratio 4 : 5 and expenditures in the ratio 7 : 8 respectively. The total savings between the two of them is Rs.3000 and that is split in the ratio 1 : 2. Find their total income.

  1. Rs. 15000

  2. Rs. 18000

  3. Rs. 22500

  4. Rs. 27000

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

Total savings is 3000, split 1000 and 2000. Let incomes be 4x, 5x and expenses 7y, 8y. Solving 4x-7y=1000 and 5x-8y=2000 gives x=2000. Total income 9x = 18000.