a) 5 hours 50 minutes b) 6 hours 50 minutes c) 6 hours d) 12 hours 10 minutes Answer: ...
View QuestionA man goes downstream with a boat to some destination and returns upstream to his original place in 5 hours. If the speed of the boat in still water and the stream are 10 kmph and 4 kmph respectively, the distance of the destination from the starting place is:
a) 16 km b) 18 km c) 21 km d) 25 km Answer: c Explanation: Let the distance of ...
View QuestionA train travelling at 48 kmph crosses another train, having half of its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of railway platform is:
a) 200 m b) 300 m c) 350 m d) 400 m Answer: d Explanation: Let the length of ...
View QuestionA person can row 7*1/2 km an hour in still water. Finds that it takes twice the time to row upstream than the time to row downstream. The speed of the stream is:
A person can row $$7\frac{1}{2}$$ km an hour in still water. Finds that it takes twice the time ...
View QuestionIn a race of 200 meters, B can gives a start of 10 meters to A, and C can gives a start of 20 meters to B. The starts that C can gives to A, in the same race is:
a) 30 meters b) 25 meters c) 29 meters d) 27 meters Answer: c Explanation: When B runs 200 meters, ...
View QuestionA train, 300m long, passed a man, walking along the line in the same direction at the rate of 3 kmph in 33 seconds. The speed of the train is:
a) 30 kmph b) $$32\frac{8}{{11}}$$ kmph c) $$35\frac{8}{{11}}$$ kmph d) 32 kmph Answer: c Explanation: Let the speed of ...
View QuestionA cyclist moving on a circular track of radius 100 meters completes one revolution in 2 minutes. What is the average speed of cyclist (approx.)?
a) 314 m/min b) 200 m/min c) 300 m/min d) 900 m/min Answer: a Explanation: Distance covered in one ...
View QuestionA train passes two bridges of length 800 m and 400 m in 100 seconds and 60 seconds respectively. The length of the train is:
a) 80 m b) 90 m c) 200 m d) 150 m Answer: c Explanation: Let length ...
View QuestionTwo boats A and B start towards each other from two places, 108 km apart. Speed of the boats A and B in still water are 12 km/h and 15 km/h respectively. If A proceeds down and B up the stream, they will meet after:
a) 4.5 hours b) 4 hours c) 5.4 hours d) 6 hours Answer: b Explanation: Let the speed of ...
View QuestionBetween 5 am and 5 pm of a particular day for how many times are the minute and the hour hands together?
a) 22 b) 11 c) 44 d) 33 Answer: b Explanation: It will come 11 times together.
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