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NEW JOYTHI PUBLICATION-PERMUTATIONS AND COMBINATIONS-QUESTIONS FROM COMPETITIVE EXAMS
- The number of straight lines that can be formed by joining 20 points o...
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- The number of ways in which a committee of 6 members can be formed fro...
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- Evaluate the following: ""^(20)C(4)=
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- Let N be the number of quadratic equations with coefficients from {0, ...
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- If ""^(n)C(3)=220, then n = ?
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- A polygon has 54 diagonals. Number of sides of this polygon is
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- In how many ways can 8 students be arranged in a row?
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- The number of different permutations of the word word 'BANANA' is
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- Rank of the word " MOTHER " is
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- Six X's have to be placed in the squares of the figure below, such tha...
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- A student is to answer 10 out of 13 questions in an examination such t...
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- The value of sum(n=1)^(oo)(""^(n)C(0)+.......+""^(n)C(n))/(""^(n)P(n))
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- Evaluate the following: ""^(20)C(1)=
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- The number of triangles which can be formed by using the vertices of a...
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- Evaluate the following: ""^(15)C(2)=
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- The number of ways in which 21 objects can be grouped into three group...
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- Evaluate the following: ""^(105)C(0)=
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- Evaluate the following: ""^(10)C(3)=
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- The number of permutations of the letters of the word 'CONSEQUENCE' in...
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- If n = 5, then (""^(n)C(0))^(2)+(""^(n)C(1))^(2)+(""^(n)C(2))^(2)+.......
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