Question:Which of the following trains is the fastest ? 

A 25 m∕sec. 
B 1500 m∕min 
C 90 km∕hr 
D None 

+ Answer
A 

+ Explanation
1500 m∕min

90 km∕hr` = (90 xx 5/18)` m∕sec.

 = 25 m∕sec.

So,all the given speeds are equal.

+ Report

Irin Moni

Editor, VCampus

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