RRB Paramedical Staff Nurse Model Paper 9

Question : 59 of 100

Marks: +1, -0

The CI on a certain sum for 2 years is Rs. 1512 and SI is Rs.1440. If the sum is invested such that the SI is Rs. 2592 and the number of years is equal to the rate of interest per annum, then find the rate?

Validate

Solution:

SI for first year = Rs.720

CI - SI = 72

Interest on Rs.720 for 1 year = Rs.72
then R = 10%

1440 =(P*2*10)/100

P =7200

7200*R*R{/}100 =2592

R =6

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