Multiple choice

Kamal lent out Rs. 60000. Out of these some part at 5% and remaining at 4% at simple interest. If total annual interest is Rs. 2560. What is the amount at 4% ?

  1. Rs. 40000

  2. Rs. 44000

  3. Rs. 30000

  4. Rs. 45000

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let the amount at 4% be Rs. x. Then the amount at 5% is Rs. (60000 - x). Total interest: 0.04x + 0.05(60000 - x) = 2560. Solving: 0.04x + 3000 - 0.05x = 2560, so -0.01x = -440, giving x = 44000. Therefore, Rs. 44,000 was lent at 4%. Option A (Rs. 40,000) would give interest of Rs. 2,600, and Option C (Rs. 30,000) would give interest of Rs. 2,700 - neither matches the required Rs. 2,560.

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