The number of triangles which can be for...

The number of triangles which can be formed by using the vertices of a regular polygon of (n + 3) sides is 220. Then n =

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NEW JOYTHI PUBLICATION-PERMUTATIONS AND COMBINATIONS-QUESTIONS FROM COMPETITIVE EXAMS

The value of sum(n=1)^(oo)(""^(n)C(0)+.......+""^(n)C(n))/(""^(n)P(n))
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Evaluate the following: ""^(20)C(1)=
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The number of triangles which can be formed by using the vertices of a...
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Evaluate the following: ""^(15)C(2)=
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Evaluate the following: ""^(10)C(3)=
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The number of permutations of the letters of the word 'CONSEQUENCE' in...
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If n = 5, then (""^(n)C(0))^(2)+(""^(n)C(1))^(2)+(""^(n)C(2))^(2)+.......
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Let n be a natural number. Then the range of the function f(n)=""^(8...
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The number of four-letter words that can be formed (the words need not...
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All the words that can be formed using alphabets A, H, L, U, R are wri...
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The value of (""^(7)C(0)+""^(7)C(1))+(""^(7)C(1)+""^(7)C(2))+...+(""^(...
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Total number of four digit odd numbers that can be formed using 0, 1, ...
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Evaluate the following: ""^(10)C(9)=
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The number of positive integers less than 40,000 that can be formed by...
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If ""^(56)P(r+6):""^(54)P(r+3)=30800:1, then the value of r is
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From 12 books, the difference between number of ways a selection of 5 ...
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If (n+2)!=2550timesn! then the value of n is ………………….. .
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