Question

Rs.62,500 for 1½ years at 8% per annum compounded half yearly.​

Answer 1

Answer:

Rs 7,804

Step-by-step explanation:

Given, Principal (P) = Rs. 62,500

Rate =8 % per annum or 4 % per half year

Number of years = 1 1/2

There will be 3 half years in 1 1/2 years.

We know,

A=P[1+100R]n

⇒A=62500[1+(4/100)3]

⇒A=62500×26/25×26/25×26/25

⇒A=70304

compound interest =A−P

= Rs. 70304 - Rs. 62500

= Rs.7,804.

Answer 2

Step-by-step explanation:

p=62500

T=11/2=3/2=3year

p.a=8%=8/2=4

A=p(1+r/100)3

=62500(100+4)3

62500×(104)3/100×100×100

62500×(104)3/100×100

25×(104)3/4×100

(104)3/4×4

104×104×104/4×4

52×104×104/2×4

26×104×104/1×4

13×104×104/1×2

13×52×104

676×104

70304

CI=p-A

Ci=70304-62500

ci=7804

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