7 people have to be selected from 12 men and 3 women, Such that no two women can come together. In how many ways we can select them?
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Tennis players take part in a tournament. Every player plays twice with each of his opponents. How many games are to be played? |
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Find the unit digit of product of the prime number up to 50 . |
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If [$x^{1/3}$] - [$x^{1/9}$] = 60 then find the value of x. |
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A family X went for a vacation. Unfortunately it rained for 13 days when they were there.But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally? |
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3,4,7,10,13,16,19,22, . . . Find 10th term in series |
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y, _?, q, m, i |
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What is the next number in the series 3,7,13,19.... |
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Marbles are to be distributed. Ann gets 1,Mary gets 2, Rose gets 3 and Lisa gets 4. John Brown gets as much as his sister.Tim Smith gets 2 times as much as his sister. Neil Johnson gets 3 times as much as his sister. Sam Paul gets 4 times as much as his sister.Find the surnames of Ann,Mary,Rose and Lisa ? |
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Joe`s age, Joe`s sister`s age and Joe`s fathers age sums up to a century. When son is as old as his |
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X Z Y + X Y Z = Y Z X. |
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