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CENGAGE ENGLISH-PERMUTATIONS AND COMBINATIONS-All Questions
- Find the number of distinct throws which can be thrown with n six-face...
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- If the 11 letters A, B, ..., K denote an arbitrary permutation of he ...
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- In how many ways can four people, each throwing a dice once, make a su...
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- Find the number of integers which lie between 1 and 10^6 and which hav...
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- In how many ways can 5 girls and 3 boys be seated in a row so that ...
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- Let C1, C2, ,Cn be a sequence of concentric circle. The nth circle ...
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- In how many ways can four people, each throwing a dice once, make a su...
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- Find n ,if(n+1)! =12xx(n-1)!dot
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- Find the value of t which satisfies (t-[|sin x|])! = 3!5!7! w h e r e[...
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- Find the total number of integer n such that 2lt=nlt=2000 and H.C.F. o...
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- Find the number of polynomials of the form x^3+a x^2+b x+c that are di...
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- Find the numbers of diagonals in the polygon of n sides.
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- Find the total number of n -digit number (n >1) having property that n...
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- Prove that (n !)^2 < n^n n! < (2n)!, for all positive integers n.
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- Find the sum of the series sum(r=1)^n rxxr !dot
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- Find the exponent of 80 in 200!.
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- Prove that .^(n-1) Pr+r .^(n-1) P(r-1) = .^nPr
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- How many ways are there to seat n married couples (ngeq3) around a tab...
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- A round-table conference is to be held among 20 delegates belonging fr...
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- How many numbers can be formed from the digits 1, 2, 3, 4 when repetit...
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