Question
The speed of the boat in still water is 10 km/hr and the
speed of the stream is 5 km/hr. A boat goes 60 km downstream with its usual speed but at the time of returning the speed of the boat in still water is doubled. Find the total time taken by boat to cover the whole distance. TYPE 34Solution
According to the question, Required time = 60/(10 + 5) + 60/(20 – 5) => 60/15 + 60/15 => 4 + 4 = 8 hours
In the question below, three statements are given followed by the conclusions. You have to take the given statements to be true even if they seem to b...
In the questions given below, there are three statements followed by two conclusions I and II. You have to take the three given statements to be true e...
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Some envelopes are letters.
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Some bangle are pearlÂ
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I. Some Bangle...
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No tree is a shrub.
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In each of the questions below are given two/three statements followed by two conclusions numbered I, and II. You have to take the given statements to ...
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Conclusions:In the question below some statements are given followed by three conclusions I, II and III. You have to take the given statements to be true even if t...
Statement:
Only Metal is Bronze
Some Metal are not Gold
All Gold are Diamond
 Conclusion:         Â
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