Question

A man covers 1.2 kilometre in 3 minutes. What is his speed in km/h
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Answer 1

distance covered by the man = 1.2KM

time taken = 3 minutes

as 1 minute = 1/60 hours

3 minutes= 3 × 1/60

= 1/20 hours

speed = distance covered / time taken

= 1.2 ÷ 1/20

= 1.2 × 20

= 24 km/hr

Answer 2

चाल = दूरी / समय

चाल = 1.2 / 3 / 60 ( change in hours )

चाल = 1.2 x60 / 3

चाल = 24 km / h