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RD SHARMA ENGLISH-PERMUTATIONS-All Questions
- Find the number of ways in which 5 boys and 5 girl be seated in a row ...
07:52
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- Five boys and five girls form a line with the boys and girls altern...
01:57
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- How many even numbers are there with three digits such that if 5 is...
04:46
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- How many four digit numbers divisible by 4 can be made with the digits...
04:38
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- Find the number of arrangements of the letters of the BIRTH.
00:51
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- (i) How many different words can be formed with letters of the word ‘S...
04:18
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- Find the number of arrangements of the letters of the EXAM
00:52
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- A tea party is arranged for 16 persons along two sides of a long table...
04:23
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- In how many ways can the letters of the word PERMUTATIONS be arrang...
10:14
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- In how many ways can a lawn tennis mixed double be made up from seven ...
03:27
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- The number of different of different ways in which 8 persons can stand...
02:24
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- Prove that 33! is divisible by " 2^15. what is the largest integer n s...
04:07
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- Find the number of arrangements of the letters of the MISS.
01:02
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- Prove that (n !+1) is not divisible by any natural number between 2 a...
04:36
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- Prove that: ((2n)!)/(n !)={1. 3. 5 (2n-1)}2^ndot
04:54
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- If (n !)/(2!(n-2)!) and (n !)/(4!(n-4)!) are in the ratio 2:1 , find t...
02:30
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- Find n , if (n+2)! =2550xxn !
02:08
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- If 1/(9!)+1/(10 !)=x/(11 !) , find xdot
02:37
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- Prove that: n(n-1)(n-2)....(n-r+1)=(n !)/((n-r)!)
02:07
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- If w(1).w(2),w(3) and w(4) are work done in isothermal, adiabatic, iso...
02:09
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