Question

1
In how many years will 5000 double itself at 20% per annum simple interest?
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Answer 1

Simple interest we want=5000

5000=5000×t×20/100

5000=100000t/100

5000=1000t

time taken =5000/1000

=5 Years

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Answer 2

Answer:

T=  ( SI*100)/P*R

T=(5000*100)/5000*20= 5

Timer= 5 years

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