Question

) At what rate percent per year will a sum of money double itself in 10 years ?
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Answer 1

Answer:

CONCEPT OF APPLICATION OF LINEAR EQUATION , TOPIC OF SIMPLE INTEREST , FOUR FUNDAMENTAL OPERATIONS .

SO , THE RATE IS 10%.

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Answer 2

Let principal be P

time=10 years

rate =?

amount =2p

S.I= P x R x T

100

S.I = A-P

= 2p-p = P x R x 10

100

= After cutting the answer is

= 10= R

Rate= 10%