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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE -1.1 VERY SHORT ANSWER QUESTIONS
- If ""^(n)P(4)=1680, find n.
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- If ""^(12)P(r)=1320, find r.
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- If ""^(n)P(7)=42. ""^(n)P(5). find n.
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- If ""^((n+1))P(5): ""^(n)P(5)=3:2, find n
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- If ""^(56)P(r+6):""^(54)P((r+3))=30800:1 then find r.
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- If ""^(12)P(5)+5. ""^(12)P(4)=""^(13)P(r), find r.
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- A man has 4 sons and there are 5 schools within his reach. In how many...
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- In a class there are 30 students. On the New year day, every student p...
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- Find the number of ways of arranging the letters of the word TRIANGLE ...
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- Find the number of ways of arranging the letters of the word MONDAY so...
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- Find the number of ways in which 5 red balls, 4 black balls of differe...
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- Find the number of ways of arranging 4 boys and 3 girls so that the ro...
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- Find the number of ways of arranging 5 boys and 4 girls in a line so t...
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