Math, asked by rajveer1019, 10 months ago

Find the time when principal =Rs 640, rate = 12 1/2 percent per annum and S.I = Rs 40

Answers

Answered by adityalallchandani
23

Answer:

6 months

Step-by-step explanation:

P = Rs 640

R = 12 1/2 = 25/2

SI = Rs 40

T = 100 x SI / P x R

= 100 x 40 x 2 /640 x 25

=1/2 year

=6 months

Answered by kabirmaggu
2

Answer:

6 months

Step-by-step explanation:

P = Rs 640

R = 12 1/2 = 25/2

SI = Rs 40

T = 100 x SI / P x R

= 100 x 40 x 2 /640 x 25

=1/2 year

=6 months

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