Multiple choice

A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and the other at 10% simple interest. If the annual interest is Rs. 352. The sum lent at 8% is- 4000 रुपए की राशि दो भागों में उधार दी गयी, पहला भाग 8% साधारण ब्याज पर और शेष भाग 10% साधारण ब्याज पर। यदि वार्षिक ब्याज 352 रु. है तो 8 % पर उधार दी गयी राशि है-

  1. 2400 Rs./रुपये

  2. 2000 Rs./रुपये

  3. 2500 Rs./रुपये

  4. 1800 Rs./रुपये

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

Let the sum lent at 8% be x. Then (4000-x) is lent at 10%. Total interest: 0.08x + 0.10(4000-x) = 352. Solving: 0.08x + 400 - 0.10x = 352, so -0.02x = -48, giving x = 2400. Verification: 0.08(2400) + 0.10(1600) = 192 + 160 = 352 ✓