Math, asked by dassonali0098, 1 month ago

the difference between the SI and CI of a certain sum of money is Rs.48 at 20% per annum for 2 years.find the principal.
Hint:Assume the principal as Rs.100​

Answers

Answered by AyshaRithwa
4

Step-by-step explanation:

C.I.=P[(1+

100

r

)

n

−1]

=P[(1+

100

20

)

2

−1]

=P[(

5

6

)

2

−1]

=P[

25

36−25

]

C.I=

25

11P

S.I=

100

P×20×2

=

5

2P

Given

C.I−S.I=Rs. 48

25

11P

5

2P

=48

25

11P−10P

=48

⇒P=25×48

⇒P=Rs. 1200.

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