A train crosses a 160 metres bridge in 15 secs, and another
200 metres bridge in 18 secs. What is the length of the train?
Friday, August 2, 2013
distance and speed
A train is running at 72 km/hr. In how many seconds will it
cross a man running in the opposite direction at 18 km/hr if the length of the
train is 200 metres?
distance and speed
How many seconds will a train 440 metres long, running at 72
km/hr take to cross a telegraph post?
speed and distance
How many seconds will a train 200 metres long running at 72
km/hr takes to cross a platform of 180 metres length?
series
Fill in the missing numbers:
1,2,6, 24, -------
Answer:
1 2 6 24 -----
1x
2 1x2x3 1x2x3x4 1x2x3x4x5
Therefore, answer = 120
series
Fill in the missing numbers:
5,11, 17,----33, 43
Answer:
5 11 17 ---- 33 43
(5 + 17) / 2 = 11 (11+ x)/2 = 17 (23 + 43)/2 = 33
x
= 23
Therefore, 23
Answer
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