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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-PRACTICE EXERCISE
- All the numbers that can be formed using the digits 1,2,3,4,5 a...
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- The sum of numbers formed by taking all the digits 2, 4, 6, 8 is
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- The sum of all possible numbers greater than 10,000 formed by using {1...
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- The sum of all the numbers greater than 10000 formed by using digits 0...
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- The number of ways that all the letters of the word SWORD can ...
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- The number of ways of 5 letters put in 5 addressed envelopes so that o...
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- Ravish writes letters to his five friends and addresses the correspond...
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- Statement-I : The number of ways of arranging the letters of the word ...
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- If a, b, c are the number of functions, injections, constant functions...
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- Match the following {:("Word","Number of permutations by using all t...
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- Assertion (A) : There are three doors to a room. The number of ways in...
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- If ""^(35)C(n+7)=""^(35)C(4n-2), then all the values of n are given by
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- IF ""^(15)C(r+3)=""^(15)C(2r-3), then r=
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- ""^(n-2)C(r)+2.""^(n-2)C(r-1)+""^(n-2)C(r-2) is equal to
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- If ""^(18)C(r)=""^(18)C(r+2) then ""^(R )C(5)=
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- If ""^(n)C(4)=""^(n)C(8), then ""^(n)C(2) is
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- ""^(29)C(5)+sum(r=0)^(4)""^((33-r))C(4)=
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- ""^(15)C(8)+""^(15)C(9)-""^(15)C(6)-""^(15)C(7) is equal to
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- If ""^(18)C(15)+2(""^(18)C(16))"+"^(17)C(16)+1=""^(n)C(3) then n is
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- ""^(14)C(4)+sum(j=1)^(4)""^((18-j))C(3) is equal to
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