Question

at what rate percent compound interest per annum will be rupees 30,000 amount to rupees 32448 in 2 years

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Answer 1

Answer:

Ans 10 p.c.p a

Step-by-step explanation:

A = Rs.3993, P = Rs.3000, n = 3, r = ?

∴A=P(1+100r)⇒3993=3000(1+100r)3⇒30003993=(1+100r)3⇒10001331=(1+100r)3

⇒(1011)3=(1+100r)3⇒1+100r=1011⇒100r=1011−1=101

∴r=10100=10%p.a.