A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:
4
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10
Additional Questions
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A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B? |
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If one-third of one-fourth of a number is 15, then three-tenth of that number is: |
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Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: |
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The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? |
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A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B? |
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Two trains, each 100 m long, moving in opposite directions, cross each other in 8 seconds. If one is moving twice as fast the other, then the speed of the faster train is: |
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A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going? |
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A person’s present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present? |
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CANNY (Find Synonym) |
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ALERT (Find Synonym) |
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