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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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In a cycle race there are 5 persons named as J,K,L,M,N participated for 5 positions so that in how many number of ways can M finishes always before N?
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Rahul took a part in cycling game where 1/5 ahead of him and 5/6 behind him excluding him. Then total number of participants are
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If a refrigerator contains 12 cans such that 7 blue cans and 5 red cans. In how many ways can we remove 8 cans so that atleast 1 blue can and 1 red can remains in the refrigerator.
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