Question

In what time will the intetest on Rs. 2500 be Rs. 500at the rate 10% per year?​

Answer 1

Answer:

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Step-by-step explanation:

Rs.1500 is invested at a rate of 10% simple interest and interest is added to the principal after every 5 years.

S.I. for the first 5 years =1500×10010×5

                                      = Rs.750

Thus, principal for the next 5 years is = Rs. (1500+750)

                                                               = Rs 2250

Required amount = Rs.2500

Let the invested amount amounts to Rs. 2500 in t years.

So, 2500=2250+2250×10010×t

⇒2500−2250=225×t

⇒225×t=250

⇒t=225250

⇒t=910

Thus, total time required =(5+910) years

=945+10 years

=955 years

=691 years 

Answer 2

Answer:

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