Question
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2.
3.
4.
Answer (Detailed Solution Below)
Option 4 : 24 km/h
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Detailed Solution
सही उत्तर 24 km/h है।
Key Points
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prepsnap.in • Part -AQuestion:
A man travels 120 km at 30 km/h and returns the same distance at 20 km/h. His average speed for the whole journey is
1.
25 km/h
2.
26 km/h
3.
22 km/h
4.
24 km/h
Correct Answer: 24 km/h
Average speed = (2 × 30 × 20)/(30 + 20) = 1200/50 = 24 km/h. / औसत गति = (2 × 30 × 20)/50 = 24 किमी/घंटा।
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