Question

In what time will the sum of rs 1600 becomes rs 2000 at 5percent per annum simple interest

Answer 1

Step-by-step explanation:

The interest paid on Rs.100 for one.

Time is always taken according to the per cent rat. In many years will a sum double itself at 8 % per annum

Answer 2

In 5 years

Step-by-step explanation:

Given: Principal; P= Rs. 1600

Amount;A = Rs. 2000

Rate;R= 5%

To find: Time ; T in years

As we know

$S.I. = \dfrac{P\times R\times T}{100}$

where S.I. is simple interest , P is principal , T is time in years and R is rate percent

Now S.I. = Amount - Principal= Rs. 2000 - Rs. 1600 = Rs. 400

Therefore

$400=\dfrac{1600\times 5\times T}{100} \\\\\Rightarrow \dfrac{400}{16\times 5} =T\\\\\Rightarrow T = 5$

Hence, in 5 years the sum of Rs. 1600 becomes Rs. 2000 at 5% per annum simple interest

#Learn more

In how many years will rs 300 amount to rs 360 at 4% pa simple interest

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