The number of ways in which 7 boys and 3...

The number of ways in which 7 boys and 3 girls may be arranged in a row so that the girls may be together is

`10!xx3!`

`7!xx3!`

`8!xx3!`

10!

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NEW JOYTHI PUBLICATION-PERMUTATIONS AND COMBINATIONS-EXERCISE

The total number of 5 digit numbers formed using the digits 2, 4, 6, 7...
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The number of ways in which a 7 people can sit around a round table is
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The number of ways in which 7 people can sit around a table if two per...
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C (18, r) = C (18, r + 2). Then C(r, 5) =
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C(13,5)=
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C(13,4)=
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C(10,9)=
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C(15,12)=
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The number of ways of selecting 6 objects from eight objects is
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The total number of ways of selecting 3 balls from a bag containing 7 ...
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The total number of ways of selecting a team of 3 men and 4 women from...
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The value of ""^(n)P(1)+(""^(n)P(2))/(2!)+(""^(n)P(3))/(3!)+......+(""...
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If a set of m paralled lines intersect another set of n parallel lines...
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