1 .

A person completes ajourney in 15 hours, the first half at 12 kmh"1 and the second half at 18 kmh"1. What is the total distance ?

A.  212 km
B.  216 km
C.  220 km
D.  224 km
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2 .

An 80-metre long train crosses a platform 16 metres long in 12 seconds. What time will it take to cross a bridge of 40m ?

A.  15 sec
B.  20 sec
C.  24 sec
D.  30 sec
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3 .

A man takes 4 times as long to row up as to row down the river. If the rate of river is 6 kmh1 , what is the rate of man in still water ?

A.  8 kmh-1
B.  10 kmh-1
C.  12 kmh-1
D.  15 kmh-1
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4 .

If the width of a carpet is 5m, how many metres of the carpet will be required to cover a floor of length 40 metres and width 30 metres ?

A.  600 m
B.  420 m
C.  300 m
D.  240 m
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5 .

'A' is twrice as fast as 'B' , and is therefore able to finish a work in 24 days less than 'B' . What is the time in which they can do it working together ?

A.  18 days
B.  16 days
C.  20 days
D.  24 days
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6 .

A man rode out a certain distance by car at the speed of 45 kmh- 1 and walked back at the rate of 5 kmh1 . The whole journey took 10 hours. What distance did he ride ?

A.  30 km
B.  35 km
C.  40 km
D.  45 km
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7 .

The speeds of two trains are in the ratio 2 : 3 . They are going in opposite directions along a parallel line. The first train takes 10 seconds and the second train takes 5 seconds to cross a pole. What is the time they will take to cross each other completely ?

A.  15 sec
B.  7.5 sec
C.  7 sec
D.  6 sec
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8 .

A man can row 5 kmh-1 in still water. If the stream is flowing at the speed of 3 kmh-1, it takes him 15 hrs to row to a place and come back. What is the distance between the two places ?

A.  32 km
B.  30 km
C.  28 km
D.  24 km
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9 .

If the difference between the squares of two consecutive numbers is 47, what is the smaller number ?

A.  19
B.  20
C.  21
D.  23
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10 .

What is the average of first 25 consecutive odd numbers ?

A.  12.5
B.  18
C.  24
D.  25
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