Question

a man invested Rs 1800 in a bank for 1 year to get a certain interest. if the same interest it to be obtained in 8 months at the same rate, what sum should be inveated​

Answer 1

Answer:Rs 1200 should be invested to get the same interest in one year

Step-by-step explanation:

two third of 12 months are 8 months

two third of 1800 is 1200 rupees

Answer 2

Rs. 2700 should be invested.

Step-by-step explanation:

Since we have given that

Sum = Rs. 1800

Time = 1 year

Rate of interest = r

if same interest is obtained in 8 months at same rate.

We need to find the sum that should be invested.

According to question, it becomes,

$\dfrac{1800\times 1\times r}{100}=\dfrac{P\times 8\times r}{1200}\\\\\dfrac{18\times 1200}{8}=P\\\\P=Rs.\ 2700$

Hence, Rs. 2700 should be invested.

# learn more:

A man invested Rs 1800 in a bank for one year to get a certain interest. If the same interest it to be obtained in 8 months at the same rate, what sum should be invested? ​

https://brainly.in/question/9613875