Question

A and B have Rs 1200. A spends 12% of his money while B spends 20% of his money. They are then left with a sum that constitutes 85% of the whole sum. Find what amount is left with A.

• A. Rs 750
• B. Rs 800
• C. Rs 700
• D. Rs 660

Answer 1

The correct option is D Rs 660

Think about this problem through alligation. Since, A spends 12% of his money and B spends 20% of his money and together they spend 15% of their money-we can conclude that the ratio of the money A had to the money B had would be 5 : 3. Hence,
Total money with A = $5\times \frac{1200}{8}=750$.
Money spent by A = 12% of 750 = 90.
Money left with A = $750-90=660$.