Question

Nidhi deposited 7,500 in a bank which pays her 4% interest per annum
compounded annually. Find the amount and the interest received by her after
three years.
Find the difference between the compound interest and the simple interest on
30,000 at 7% per annum for three years.
Aman borrows 14,500 at 11% per annum for three years at simple interest
and Tarun borrows the same amount at 10% per annum for the same time
compounded annually. Who pays more interest and by how much?
The simple interest on a certain sum of money for two years at 5-% is 6,600.
2
What will be the compound interest on that sum at the same rate for the same
time period?
A certain sum amounts to 2,970.25 in two years at 9% per annum compounded
annually. Find the sum.
7
1
On what sum will the compound interest at 7-% per annum for three years
2
ally be * 3,101.40?
please answer them all​

Answer 1

Step-by-step explanation:

1)Deposited amount (P)=Rs.7500

Rate of interest (R)=4%

Time period (t)=3 years

Therefore,

A=P(1+ 100R ) t

A=7500(1+ 1004 )3

⇒A=7500×( 2526 ) 3

⇒A=Rs.8436.48

Compound interest =A−P=8436.48−7500=Rs.936.48

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