Multiple choice

Ram lives at P and Mohan at Q. Ram usually goes to meet Mohan at Q. He covers the distance in 3 hours at 150 km/h. On a particular day Mohan started morning walk from Q and Ram took a total of 5 hours to meet Mohan at C. Find the speed of Mohan.

  1. 60 km/hr.

  2. 120 km/hr.

  3. 40 km/hr.

  4. 75 km/hr.
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A Correct answer
Explanation

Distance PQ = Ram's speed × time = 150 × 3 = 450 km. On the special day, Ram travels for 5 hours at same speed, covering 750 km. Point C is where they meet. Distance QC = 750 - 450 = 300 km. Mohan walks from Q to C (300 km) in 5 hours. Mohan's speed = 300/5 = 60 km/hr.

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