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Find the sum of the following arithme...

Find the sum of the following arithmetic progressions: `50 ,\ 46 ,\ 42 ,\ ` to 10 terms (ii) `1,\ 3,\ 5,\ 7,\ ` to 12 terms (iii) `3,\ 9//2,\ 6,\ 15//2,\ ddot` to 25 terms

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RD SHARMA-ARITHMETIC PROGRESSIONS-All Questions
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  3. Find the sum of the following arithmetic progressions: 50 ,\ 46 ,\ ...

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  4. Find the sum of the following arithmetic progressions: 41 ,\ 36 ,\ ...

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  5. Find the sum of the following arithmetic progressions: (x-y)/(x+y)\...

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  6. Find the sum to n term of the A.P. 5,\ 2,\ -1,\ -4,\ -7,\ dot,

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  7. Find the sum of n terms of an A.P. whose n t h terms is given...

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  8. If the sum of a certain number of terms of the A.P. 25, 22, 19.... ...

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  9. How many terms of the sequence 18 ,\ 16 ,\ 14 ,\ dot should be t...

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  11. How many terms of the A.P. 9,\ 17 ,\ 25 ,\ dot must be taken so ...

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  12. How many terms of the A.P. 63, 60, 57, .... must be taken so that t...

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  13. The first and the last terms of an AP are 17 and 350 respectively. ...

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  14. The third term of an A.P. is 7 and the seventh term exceeds three time...

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  15. The first term of an A.P.is 2 and the last term is 50. the sum of all ...

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  16. If 12th term of an A.P. is -13 and the sum of the first four terms i...

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  17. Find the sum of first 22 terms of an AP in which d=l and 22nd term is ...

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  18. Find the sum of all natural numbers between 1 and 100, which are divis...

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