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Step by step text solution for If 2nC_3 : nC_3 = 12:1 find n. by MATHS experts to help you in doubts & scoring excellent marks in Class 11 exams.
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MAXIMUM PUBLICATION-PERMUTATION AND COMBINATIONS-EXAMPLE
- Find the value of n such that nP5=42 xx nP3,n>4
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- How many words, with or without meaning, can be formed using all the l...
03:37
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- If 2nC3 : nC3 = 12:1 find n.
03:30
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- What is the number of ways of choosing 4 cards from a pack of 52 playi...
05:19
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- If nC9 = nC8 find nC17
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- A committee of 5 person is to be selected from a group of 4 men and 5 ...
06:19
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- If nC9 = nC8 find nC17
01:31
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- How many three digit number can be formed using the digits 1,2,3,4,5 i...
01:18
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- In How many ways can a team of 4 boys and 3 girls be selected from 6 b...
03:21
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- If nC5 = nC4 find nC8
01:49
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- How many chords can be drawn through 20 points on a circle?
02:15
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- A bag contains 6 red and 5 blue balls. In how many ways can one choose...
04:36
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- Find the number of permutation of the letters of the word ALLAHABAD.
02:15
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- Find r ,if ^5Pr = 2 xx ^6P(r-1)
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- Find the value of n such that nP5=42 xx nP3,n>4
02:05
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- A committee of 3 persons is to be constituted from a group of 2 men an...
02:30
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- A committee of 3 persons is to be constituted from a group of 2 men an...
03:29
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- If ^nC2 : ^(2n)C1 = 3:2 find n
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- Find the number of words that can be formed from the letters of the wo...
02:30
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- If 5 xx 4Pr = 6 xx 5P(r-1) find 'r'.
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