Home > Aptitude test > Placement aptitude test  6
QUESTION : A train running at 54 kmph takes 20 seconds to cross a platform and
12 seconds to pass a trolley on platform moving in same direction at the speed
of 6 kmph. Find the length of the train.
140 m
130 m
160 m
120 m
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ANSWER : 160 m
QUESTION : A man takes thrice as long to cover the distance by sailing against
the stream as to row the same distance in the direction of the stream. The
ratio of the speed of the boat (in still water) and the stream is
3:1
1:3
2:1
1:2
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ANSWER : 2:1
QUESTION : Speed of a boat in still water is 18 km/hr and the speed of the
stream is 3 km/hr. A man sails a distance of 105 km and comes back to the
starting point. The total time taken is
12 hours
18 hours
24 hours
30 hours
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ANSWER : 24 hours
QUESTION : A man takes 4 hours to row a boat 16 kms downstream of a river and 2
hours to cover a distance of 6 km upstream. Find the speed of the river current
in km/hr.
1 km/hr
2 km/hr
3 km/hr
4 km/hr
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ANSWER : 1 km/hr
QUESTION : A man can row 36 km/hr in still water. It takes him thrice as long
to row up as to row down the river. Find the rate of stream.
16 km/hr
9 km/hr
16 km/hr
18 km/hr
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ANSWER : 18 km/hr
QUESTION : Two taps A and B can fill a tank in 10 hours and 20 hours
respectively. If both taps are open then due to a leakage it took 25 hours more
to fill the tank. If tank is full how long would it take for leakage to empty
the whole tank?
100/9 hours
100/11 hours
50/7 hours
100/7 hours
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ANSWER : 100/11 hours
QUESTION : 24 buckets of water fill a when capacity of each tank is 15 litres.
How many buckets will be needed to fill the same tank, if capacity of each
bucket is 6 litres?
60
45
50
40
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ANSWER : 60
QUESTION : Two inlets can fill a tank in 18 hours and 6 hours respectively
while a third inlet empties a full tank in 6 hours. If all the three inlets
operates simultaneously, in how much time approximately will the tank be
filled?
18 hours
14 hours
24 hours
6 hours
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ANSWER : 18 hours
QUESTION : How many digits will be there to the right of the decimal point in
the product of 95.75 and .02554 ?
5
4
6
3
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ANSWER : 6
QUESTION : The expression (11.98 X 11.98 + 11.98 X a + 0.02 X 0.02) will be a
perfect square for a equal to :
0.02
0.04
0.2
11.98
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ANSWER : 0.04
