Question
17 , 37 , 79 , 165 , ? ,
689Solution
Pattern of this series, x 2 + 3, x 2 + 5, x 2 + 7, x 2 + 9, x 2 + 11
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Find total number of ways in which the word “COMMISSION” can be arranged.
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A committee of 5 members is to be formed out of 6 men and 4 women. In how many ways can a committee consisting of atleast 1 woman be formed?
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Which of the following is TRUE for “complementary event or ‘not event’”?
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A man has 15 friends out of which 7 are his relatives. In how many ways can he invite his 9 friends in which at least 5 must be his relatives?
