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Find the sum: 25+28+31+\ dot\ +100 (...

Find the sum: `25+28+31+\ dot\ +100` (ii) `18+15 1/2+13+\ dot+\ (-49 1/2)`

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How many terms are there in the A.P? 7,\ 10 ,\ 13 ,\ 43. (ii) -1,\ -5/6,\ -2/3,\ -1/2,\ ddot,(10)/3dot (iii) 7,\ 13 ,\ 19 ,\ ddot,\ 205 . (iv) 18 ,\ 15 1/2,\ 13 ,\ ddot,\ -47 .

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. Find the sum: 2+4+6+\ .... +200 (ii) 3+11+19+\ ..... +803 (iii) (-...

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  2. Find the sum: (i) 1+3+5+7+\ ....\ +\ 199 (ii) 7+10 1/2+14+\ .... ...

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  3. Find the sum: 25+28+31+\ dot\ +100 (ii) 18+15 1/2+13+\ dot+\ (-49 ...

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  4. Find the sum of the first 15 terms of each of the following sequence...

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  5. Find the sum of the first 15 terms of each of the following sequence...

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  6. Find the sum of firsts 20 terms of the sequence whose n t h term is...

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  7. Find the sum of the first 25 terms of an A.P. whose n t h term is ...

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  8. Find the sum of the first 25 terms of an A.P. whose n t h term is ...

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  9. Find the sum of first 51 terms of an AP whose second and third terms ...

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  10. If the sum of 7 terms of an A.P. is 49 and that of 17 terms is 289,...

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  11. In an A.P. first term is 5, last term is 45 and sum = 400 . Find the n...

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  12. In an A.P., the sum of first n terms is (3n^2)/2+(13)/2n . Find its...

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  13. Let there be an A.P. with first term ' a ' , common difference '...

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  14. Let there be an A.P. with first term ' a ' , common difference '...

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  15. Let there be an A.P. with first term ' a ' , common difference '...

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  16. Let there be an A.P. with first term ' a ' , common difference '...

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  17. Let there be an A.P. with first term ' a ' , common difference '...

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  18. Let there be an A.P. with first term ' a ' , common difference '...

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  19. A man saved Rs. 16500 in ten years. In each year after the first he sa...

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  20. A man saves Rs. 32 during the first year, Rs. 36 in the second year an...

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