» Unlabelled » The travelling speed of cranes varies from _______.

Tuesday, 27 August 2013

The travelling speed of cranes varies from _______.

(a)     20 to 30 m/s  
(b)     10 to 15 m/s
(c)     5 to 10 m/s
(d)     1 to 2.5 m/s

Ans: d

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