Question

Q7. In what time will Rs.15625 amounts to Rs.16900 at 4%
per annum compounded
annually. pls give step by step explanation.

pls answer fast
If u don't know the answer pls don't answer.​

Answer 1

Answer:

Rs 1951

Step-by-step explanation:

P=Rs 15625 R= 16% per annum= 16%/4 per quarter= 4%per quarter

n=9months = 3 quarters

Amount = P(1+r/100) =15625(1+4/100)= Rs 17576

Interest= A-P = 17576-15625

=Rs 1951

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Answer 2

Answer:

For Simple Interest

P = Rs. 15625

A = Rs. 16900

S.I. = A - P

= Rs. (16900 - 15625)

= Rs. 1275

T = 100 × S.I.

P × R

= 100 × 1275

15625 × 4

= 2 and 1/5 years

For Compound Interest

A = P × (1 + R/100)^n

16900 = 15625 × (1 + 4/100)^n

16900/15625 = (104/100)^n

676/625 = (26/25)^n

(26/25)² = (26/25)^n

n = 2

Time = 2 years