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ARIHANT MATHS ENGLISH-PERMUTATIONS AND COMBINATIONS -Exercise For Session 2
- If .^(n)P(5)=20 .^(n)P(3), find the value of n.
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- if .^(m+n) P(2)=56 and .^(m-n)P(3)=24, then (.^(m)P(3))/(.^(n)P(2)) e...
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- if .^(2n+1)P(n-1):^(2n-1)P(n)=7:10, then .^(n)P(3) equals
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- If a denotes the number of permutations of (x+2) things taken all at a...
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- The number of nine nonzero digits such that all the digits in the f...
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- Total number of words that can be formed using all letters of the word...
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- The number of all five digit numbers which are divisible by 4 that can...
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- How many words can be formed with the letters o the word MATHEMATICS b...
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- Six identical coins are arranged in a row. The total number of ways in...
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- A train time table must be compiled for various days of the week, so t...
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- Five persons entered the lift cabin on the ground floor of a 8 floor h...
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- Four die are rolled. The number of ways in which atleast one die shows...
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- The number of four-digit numbers that can be made with the digits 1...
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- There are unlimited number of identical balls of three different colou...
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