Question

the difference between ci and si on a certain sum for 2years at 5/p.a is rs40.find the sum.​

Answer 1

Answer:

Let Principle be P.

S.I. = P×R×T = P×5×2 = 10 P = P

100 100 100 10

C.I. = P { 1 + 5 } ^2 = 21×21 P

{ 100 }. 20×20

= 441 P

400

ATQ /

C.I. - S.I. = $40

441 P - 1 P = 441 P - 400 P = 40

400 10 400

= 41 P = $40

400

= P = 40 × 400

41

= P = 390.24