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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
- The sum of first seven terms of an A.P is 182. If its 4^(th) term and ...
07:17
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- The sum of the first n terms of an A.P. is 3n^2+6n . Find the n^(t...
05:23
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- The sum of the first 7 terms of an AP is 63 and the sum of its next 7 ...
08:54
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- If Sn denotes the sum of the first n terms of an A.P., prove tha...
04:26
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- The sum of first n terms of an A.P. is 5n-n^2 . Find the n t h t...
04:14
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- The sum of the first n terms of an A.P. is 4n^2+2n . Find the n ...
06:03
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- If the 10 t h term of an A.P. is 21 and the sum of its first ten te...
04:54
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- The first and the last terms of an AP are 7 and 49 respectively. If...
07:25
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- If Sn denotes the sum of first n terms of an A.P., prove that S(...
03:52
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- If the sum of the first n terms of an A.P. is 1/2(3n^2+7n), then find ...
03:16
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- The sum of first 9 terms of an A.P. is 162. The ratio of its 6th t...
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- Define an arithmetic progression.
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- Write the common difference of an A.P. whose n t h term is an=3n+7 ...
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- Which term of the sequence 114 ,\ 109 ,\ 104 ,\ is the first ne...
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- Write the value of a(30)-a(10) for the A.P. 4,\ 9,\ 14 ,\ 19 ,\ ...
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- Write 5t h term from the end of the A.P. 3,\ 5,\ 7,\ 9,\ ddot,\ 201...
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- Write the value of x for which 2x ,\ x+10 and 3x+2 are in A.P.
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- Write the n t h term of an A.P. the sum of whose n terms is Sn .
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- Write the sum of first n odd natural numbers.
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- Write the sum of first n even natural numbers.
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