A sum of Rs 4000 is lent out in two parts one at 8 simple interest and the other at 10 simple intere...........

Quantitative Aptitude (CGL) Compound Interest

A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and the other at 10% simple interest. If the annual interest is Rs. 352. The sum lent at 8% is 4000

Rs. 2900

Rs. 2200

Rs. 2400

Rs. 3100

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Explanation:

Required solution = 8% on 4000 = Rs.320
= 10% on 4000 = Rs.400
Now, Rs (352 – 320) = Rs.32 ----- 1
Rs (400 – 352) = Rs.48 ------ 2
Take the ration of the above two equations
This will be = Rs.48 : Rs.32
= 3 : 2
Sum lent at 8% = (3 / 5) * 4000 = Rs.240