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- Find the number of ways to give 16 different things to three persons A...
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- There are two bags each of which contains n balls. A man has to selec...
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- Find the total number of proper factors of the number 35700. Also find...
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- In how many ways can a team of 6 horses be selected out of a stud o...
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- There are 3 books of mathematics, 4 of science, and 5 of literature. ...
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- Number of ways in which a lawn-tennis mixed double be made from sev...
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- Find the number of divisors of the number N=2^3 .3^5 .5^7 .7^9 which a...
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- A teacher takes three children from her class to a zoo at a time, bu...
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- Find the number of ways in which the number 94864 can be resolved as a...
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- A class contains three girls and four boys. Every Saturday, five go...
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- Show that 1!+2!+3!++n ! cannot be a perfect square for any n in N ,ng...
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- If all the words formed from the letters of the word HORROR are arra...
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- Prove that: ((2n)!)/(n !)={1. 3. 5..... (2n-1)}2^ndot
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- A person always prefers to eat parantha and vegetable dish in his m...
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- The letters of word ZENITH are written in all possible ways. If all ...
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- In a class tournament, all participants were to plan different game...
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- How many words can be formed with the letters o the word MATHEMATICS b...
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- There are 720 permutations of the digits 1, 2, 3, ,4 ,5, 6. Suppose th...
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- Five different digits from the setoff numbers {1,2,3,4,5,6,7} are writ...
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- A shelf contains 20 books of which 4 are single volume and the other ...
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