ECONOMICS (CBSE/UGC NET)

ECONOMICS

COMPOUND INTEREST

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Find the rate when:Principal = Rs 3560, amount = Rs 4521.20 and time = 3 years.
A
9%
B
10%
C
8%
D
9.5%
Explanation: 

Detailed explanation-1: -Solution:-Given. :-P = ₹ 3560, amount = ₹ 4521.20, t = 3 years. We know that, SI = A – P = 4521.20 – 3560 = ₹ 961.2 R = (100 × SI) / (P × T) = (100 × 961.20)/ (3560 × 3) = (100 × 96120) / (8250 × 3 ×100) = (32040 /3560) = 9% p.a.

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