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NAGEEN PRAKASHAN-PERMUTATION AND COMBINATION -Exercise H
- ""^(12)P(3) = ?
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- If ""^10 Pr=5040 , find the value of r.
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- If P(n,6) = 30 P(n,4), then n = ?
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- No. of combinations by selecting one or more than one object out of n ...
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- If C(n,12) = C(n,16), then C(30,n) = ?
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- No of words formed with the letters of the word 'INDIA' is:
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- The number of ways in which p+q things can be divided into two groups ...
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- No of words formed from the letters of the word 'SUNDAY' starting with...
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- No of 4 digit numbers formed with the digits 3,4,5 and 6 which are div...
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- No. of diagonals of a hexagon are:
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