CDS Government Jobs Exams Numerical Ability Time Distance and Speed

A train running at the speed of 48 km/hr crosses a pole in 9 seconds. What is the length of the train?
(a) 150m
(b) 120m
(c)90m
(d)80m

Ans : 120m

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CDS Other Question

The shadow of a tower standing on a level plane to be 50 m longer when the sun 's altitude is 30 degree than when it is 60 degree.find the height of the tower.
(a)25m
(b)25 sqrt(3)m
(c) 23/sqrt(3)m
(d) 30m

Ans : 25 sqrt(3)m
What will be the remainder if 4^1000/7