Question

If simple interest is ₹1536 , Time is 6 years and rate of interest is 8% per annum then find principal​

Answer 1

Answer:

Correct option is

Rs. 128

⇒  P=Rs.20,000,T=2years and R=8%.

⇒  S.I.=  

100

P×R×T

​

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⇒  S.I.=  

100

20000×8×2

​

 

∴    S.I.=Rs.3200.

⇒  C.I.=P(1+  

100

R

​

)  

T

−P

⇒  C.I.=20,000×(1+  

100

8

​

)  

2

−20,000

⇒  C.I.=23,328−20,000

∴     C.I.=Rs.3328.

⇒   C.I.−S.I=Rs.3328−Rs.3200=Rs.128.