Question
Speed of a boat in still water is 10 kmph and speed of
stream is 6 kmph. A man rows to a place at a distance of 32 km and come back to starting point. The total time taken by him is:Solution
Rate upstream = 10 – 6 = 4 kmph Rate downstream = 10 + 6 = 16 kmph Time taken to go upstream = 32/4 = 8 hr Time taken to go downstream = 32/16 = 2 hr Total time = 8 + 2 = 10 hrs
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74 – 52 + (39 ÷ 13) × 16 + (14 ÷ 2) = 106
(NOTE: Numbers...
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What is the code for 'N' in the given code language?Â
A paper is folded and cut as shown. How will it appear when unfolded?
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