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RD SHARMA-ARITHMETIC PROGRESSIONS-All Questions
- If Sr denotes the sum of the first r terms of an A.P. Then, S(3n...
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- If the first term of an A.P. is 2 and common difference is 4, then ...
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- The number of terms of the A.P. 3,\ 7,\ 11 ,\ 15 ,\ ddot to be take...
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- Sum of n terms of the series sqrt(2)+sqrt(8)+sqrt(18)+sqrt(32)+\ dd...
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- The 9t h term of an A.P. is 449 and 449th term is 9. The term which...
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- The n t h term of an A.P., the sum of whose n terms is Sn , is Sn+S...
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- The common difference of an A.P., the sum of whose n terms is Sn , i...
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- If the sums of n terms of two arithmetic progressions are in the...
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- If Sn denote the sum of n terms of an A.P. with first term a and...
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- If the first term of an A.P. is a and n t h term is b , then its c...
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- The sum of first n odd natural numbers is 2n-1 (b) 2n+1 (c) n^2 ...
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- Two A.P.’s have the same common difference. The first term of one o...
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- If 18 ,\ a ,\ b ,\ -3 are in A.P., the a+b= (a) 19 (b) 7 (c) 11 (d...
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- If (5+9+13+\ ddotto\ n\ t e r m s)/(7+9+11+\ ddotto\ (n+1)t e r m s)=(...
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- The sum of n terms of an A.P. is 3n^2+5n , then 164 is its (a) 2...
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- If the n^(t h) term of an A.P. is 2n+1 , then the sum of first n...
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- If 18 t h and 11 t h term of an A.P. are in the ratio 3\ :2 , then ...
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- The sum of first 20 odd natural numbers is (a) 100 (b) 210 ...
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- The common difference of the A.P. is 1/(2q),(1-2q)/(2q),(1-4q)/(2q)...
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- The common difference of the A.P. 1/3,(1-3b)/3,(1-6b)/3,\ dot is 1/...
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