Exams › SSC CGL (Prelims) › General

Rohan covers a certain distance at a fixed speed. Sohan covers only 25% of the same distance but takes three times as long. What is the ratio of Rohan's speed to Sohan's speed?

1. 1 : 6
2. 1 : 12
3. 6 : 1
4. 12 : 1

Correct answer: 12 : 1

Solution

Rohan: Speed1 = D/T. Sohan: Speed2 = (0.25D)/(3T) = D/12T. Ratio Speed1 : Speed2 = (D/T) : (D/12T) = 12 : 1.

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