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RD SHARMA ENGLISH-COMBINATIONS-All Questions
- A number of 18 guests have to be seated, half on each side of a lon...
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- A boy has 3 library tickets and 8 books of his interest in the library...
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- Find the number of arrangement from the word ‘MATHS’.
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- Given 11 points, of which 5 lie on one circle, other than these 5, no ...
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- The value of ( .^7C0 + ^7C1)+( .^7C1+ ^7C2)+....+(.^7C6+ ^7C7) is (A...
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- Let n\ a n d\ r be no negative integers suych that rlt=n .Then, \ ^...
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- Let n\ a n d\ r be non negative integers such that 1lt=rlt=ndot Then, ...
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- If 1lt=rlt=n , then \ n^(n-1)Cr 1 =(n-r+1)\ ^n C(r-1)dot
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- If \ ^n Cx=\ \ ^n Cy\ a n d\ x!=y ,\ t h e n\ x+y=ndot
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- If \ ^(10)Cx=\ \ ^(10)C(x+4),\ find the value of xdot
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- Evaluate the following: \ ^(10)C8
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- Evaluate the following: \ ^(100)C(98)
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- Evaluate the following: \ ^(52)C(52)
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- If the ratio \ \ ^(2n)C3 :\ \ ^n C3 is equal to 11:1 find ndot
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- Prove that: \ ^(2n)Cn=(2^n[1. 3. 5 (2n-1)])/(n !)
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- If \ ^(n+2)C8 : \ ^(n-2)P4=57 : 16 ,\ Solve\ for \ n
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- Evaluate the following: \ ^(14)C3
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- Evaluate the following: \ ^(12)C(10)
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- Evaluate the following: \ ^(35)C(35)
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- Evaluate the following: \ ^(n+1)Cn
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