Question

6.
2. Calculate the amount and the compound interest on 4000 for 2 years at 10% per annum,
if the interest is payable half-yearly.
The simple interest on a certain sum of money at 4% p.a. for 2 years is 500. What will
be the compound interest on the same sum for the same time?
no
not​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Part A :

⇒  S.I.=100P×R×T=1004000×8×2

∴   S.I.=Rs.640

⇒  C.I.=P(1+100R)T−P=8000×(1+1008)2−8000

⇒  C.I.=8000×2527×2527−8000

∴    C.I.=Rs.665.6

⇒  Difference between C.I. and S.I. = Rs.665.6−Rs.640=Rs.25.6

∴    A=25.6

⇒   Part B :

⇒  Here, R=10% and C.I.−S.I.=Rs.180

⇒  S.I.=100P×R×T=10010×P×1

∴    S.I.=10