Question

11. A man can walk 2 m 34 cm in one second. How many km can he walk in on
hour?

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Answer 1

Answer:

2 m 34 cm = 234 cm

I h. = 3600 sec.

1 sec. = 234 cm

3600 sec. = 234×3600= 842400 cm

1 km = 1000cm

1 cm = 1/1000 km

842400 cm = 842400÷1000

= 842.4 km

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