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N R MISHRA from k v 2 kalpakkam, chennai

Subject :IMO Class : Class 8

A man can cross a bridge in 7¹⁄₂ seconds. If his speed is 13¹⁄₂ km per hour, how long is the bridge?

A27.125 m
B28.125 m
C29.125 m
D30.125 m

please write the steps

Ans 1:

N R MISHRA from k v 2 kalpakkam, chennai

Class : Class 8

Ayham from Al Ain Juniors School, Al Ain

Class : Class 5