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Jake left point A for point B. 2 hours and 15 minutes later, Paul left A for B and arrived at B at the same time as Jake. Had both of them started simultaneously from A and B travelling towards each other, they would have met in 120 minutes. How much time (hours) did it take for the slower one to travel from A to B if the ratio of speeds of the faster to slower is 3:1?
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A completes a work in 2 days, B in 4 days, C in 9 and D in 18 days. They form group of two such that difference is maximum between them to complete the work. What is difference in the number of days they complete that work?
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How many 4 digit numbers contain number 2.
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How many three digit numbers abc are formed where at least two of the three digits are same.
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How many kgs of wheat costing Rs.24/- per kg must be mixed with 30 kgs of wheat costing Rs.18.40/- per kg so that 15% profit can be obtained by selling the mixture at Rs.23/- per kg?
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What is the next number of the following sequence 7, 14, 55, 110, ....?
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How many numbers are divisible by 4 between 1 to 100
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$\left(11111011\right)_{2}$ = $\left(\right)_{8}$
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There are 1000 junior and 800 senior students in a class.And there are 60 sibling pairs where each pair has 1 junior and 1 senior. One student is chosen from senior and 1 from junior randomly.What is the probability that the two selected students are from a sibling pair?
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161?85?65?89 = 100, then use + or - in place of ? and take + as m,- as n then find value of m-n.?
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