Exams › SSC CGL (Prelims) › General

The simple interest earned on a principal of Rs. P at 8% per annum over 3 years equals the simple interest earned on Rs. Q at 6% per annum over 4 years. Find the ratio P : Q.

1. 1 : 2
2. 3 : 4
3. 4 : 3
4. 1 : 1

Correct answer: 1 : 1

Solution

SI for P is P x 8 x 3 = 24P (ignoring /100); SI for Q is Q x 6 x 4 = 24Q. Setting 24P = 24Q gives P = Q, so the ratio is 1 : 1.

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