JEE Discussions Permutations & Combinations Recent Questions
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In How Many Ways Can 21 English And Hindi Books Be Placed In A Row So That No Two Hindi Books Are Together
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Modified 5 Year Ago
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In A City No Two Persons Have Identical Set Of Teeth And There Is No Person Without A Tooth.
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On The Occasion Of Deepawali Festival Each Student Of A Class Sends Greetings Cards To The Others.
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The Value Of 15C3 + 15C13 Is
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If 2*nC5 = 9*n-2C5, Then The Value Of N Will Be
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Modified 5 Year Ago
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In How Many Ways Can A Girl And A Boy Be Selected From A Group Of 15 Boys And 8 Girls
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There Are 12 Volleyball Players In A College, Out Of Which A Team Of 9 Players Is To Be Formed.
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If N Is Even And The Value Of NCr Is Maximum, Then R =
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If Alpha = MC2, Then AlphaC2 Is Equal To
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If 189C35 + 189Cx = 190Cx, Then X Is Equal To
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In A Mathematics Paper There Are Three Sections Containing 4, 5 And 6 Questions Respectively.
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The Value Of
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The Least Value Of Natural Number N Satisfying
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In How Many Ways Can 5 Red And 4 White Balls Be Drawn From A Bag Containing 10 Red And 8 White Balls
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There Are 15 Person In A Party And Each Person Shake Hand With Another, Then Total Number Of Hand Shakes Is
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If NC3 + NC4 > N+1C3, Then
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If NC12 = NC6, Then NC2 =
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The Number Of Ways In Which Four Letters Of The Word MATHEMATICS Can Be Arranged Is Given By
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NCr + N-1Cr + ........rCr =
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A Person Is Permitted To Select At Least One And At Most N Coins From A Collection Of (2n+1) Distinct Coins.
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(n N-r ) + ( N R +1), Whenever 0 ≤ R ≤ N -1 Is Equal To
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If 18C15 + 2(18C16) + 17C16 + 1 = NC3, Then N =
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NCr + NCr-1 Is Equal To
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A Vehicle Registration Number Consists Of 2 Letters Of English Alphabet Followed By 4 Digits, Where The First Digit Is Not Zero
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A Man Has 7 Friends. In How Many Ways He Can Invite One Or More Of Them For A Tea Party
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15C8 + 15C9 - 15C6 - 15C7 =
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Everybody In A Room Shakes Hand With Everybody Else.
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