Ram needs to reach the examination center in 6 hours, the journey itself is 250 km. If Ram has covered (3/5)th of the distance in 3.5 hours then what is the speed required to reach the destination 30 minutes early than the required time?

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SSC CHSL Tier-I Exam 2022 Official Paper (Held On: 10 March, 2023 Shift 2)
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  1. 50 km/h
  2. 90 km/h
  3. 40 km/h
  4. 60 km/h

Answer (Detailed Solution Below)

Option 1 : 50 km/h
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Detailed Solution

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Calculation:

Let's first calculate how much distance Ram has already covered:

(3/5) ×  250 km = 150 km

So, the remaining distance that Ram needs to cover is:

250 km - 150 km = 100 km

Ram has 6 hours to complete the journey, but he wants to reach 30 minutes early. So, he wants to reach the destination in 5.5 hours.

Time remaining for Ram to complete the journey:

5.5 hours - 3.5 hours = 2 hours

To cover the remaining 100 km in 2 hours, Ram needs to travel at a speed of:

100 km / 2 hours = 50 km/h

Therefore, Ram needs to travel at a speed of 50 km/h to reach the examination center 30 minutes early.

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