Question

After how many years will rupees 21000 gives rupees 5040 as interest at 6% per annum find the simple interest?

Answer 1

here,to find time we can assume time as x

si=p*r*t/100

si=21000*6*x/100

si=210*6*x

si=1260*x

5040=1260*x

5040/1260=x

x=4 years

so in 4 years rupees 21000 will give 5040 as simple interest at 6%per annum.

Answer 2

Answer:

4 years

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