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There is a merry-go-round race going on.One person says,"1/3 of those in front of me and 3/4 of those behind me, give the total number of children in the race". Then the number of children took part in the race?
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Find the value of X,Y and Z in the following X X X X Y Y Y Y Z Z Z Z ................ Y X X X Z
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The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:
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The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is
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252 can be expressed as a product of primes as:
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21, 9, 21, 11, 21, 13, 21, .......
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Two trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is
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If a and b are positive integers and (a-b)/3.5 = 4/7, then
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If 5 women or 8 girls can do a work in 84 days. In how many days can 10 women and 5 girls can do the same work ?
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If 9 men working 6 hours a day can do a work in 88 days. Then 6 men working 8 hours a day can do it in how many days?
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