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MODERN PUBLICATION-SEQUENCES AND SERIES-EXERCISE
- Find the sum of the sequence 7, 77, 777, 7777,.....up to n terms.
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- Sum to n terms: 8 + 88 + 888+..........
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- The sum of first 20 terms of the sequence 0.7,0.77,0.777,"……" is
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- Find the sum to n terms 0.6 + 0.66 + 0.666 + ………..
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- Sum to n terms: 0.3+ 0.33 +0.333 +.......
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- Sum to n terms: 0.5+0.55 + 0.555 +...
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- Find the sum to n terms 0.6 + 0.66 + 0.666 + ………..
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- If 1/(1+l)=v, prove that : v+v^(2)+v^(3)+………+v^(n)=(1-v^(n))/l.
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- Find the sum to n terms of the sequence : 1,-1,1,-1,........ ,(-1)^(n+...
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- If the sum of first 10 terms is 33 times the sum of first 5 terms of G...
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- Show that the ratio of the sum of first n terms of a G.P. to the sum o...
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- Find the sum of the products of the corresponding terms of the sequenc...
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- If S1,S2,S3 be the sum of n, 2n, 3n terms of a G.P., show that : S1(S3...
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- An inventor of the chess board suggested a reward of one grain of whea...
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- Dipesh writes letters to four of his friends. He asks each of them to ...
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- A machine is depreciated at the rate of 10 % yearly and the ultimate s...
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- Insert two numbers between 3 and 81 so that the resulting sequence is ...
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- Insert 4 geometric means between 6 and 192.
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- The A.M. between two numbers is 20 and their G.M. is 16. Find the numb...
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- a, b, c are in G.P. and x and y are the A.M.’s between a, b and b, c r...
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