Two equal sums are lent at 10% and 8% simple interest p.a. respectively, at the same time. The first sum is received 2 years earlier than the second one and the amount received in each case was Rs.36,900. Each sum was......
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. Rs.20200
| Understanding | Application |
| Tricks |
Case I ⇒ 36900 - P1 = P1 × 10 × 2/100 ⇒ 36900 - P1 = P1/10 ⇒ 369000 - 10P1 = P1 ⇒ 369000 = 11P1 ⇒ P1 = 369000/11 Case II ⇒ 36900 - P2 = P2 × 8 × 4/100 ⇒ 922500 - 25P2 = 8P2 ⇒ 922500 = 33P2 ⇒ P2 = 922500/33 |
| Now |
From eqi) and eqii) |