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The first and the last terms of an AP ar...

The first and the last terms of an AP are 17 and 350 respectively. If the common difference is 9, how many terms are there and what is then sum?

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. How many terms of the A.P. 9,\ 17 ,\ 25 ,\ dot must be taken so ...

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

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

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

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

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

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

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

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  9. Find the sum of first n odd natural numbers.

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  10. Find the sum of all odd numbers between (i) 0 and 50 (ii) 100 and 2...

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  11. Show that the sum of all odd integers between and 1000 which are divis...

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  12. Find the sum of all integers between 84 and 719, which are multiples o...

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  13. Find the sum of all integers between 0 and 500 which are divisible by ...

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  14. Find the sum of all even integers between 101 and 999.

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  15. Find the sum of all integers between 100 and 550, which are divisible ...

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  16. In an A.P., if the first term is 22, the common difference is -4 an...

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  17. In an A.P., if the 5t h and 12 t h terms are 30 and 65 respectiv...

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  18. Find the sum of the first 11 terms of the A.P.: 2,\ 6,\ 10 ,\ 14 ,\...

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  19. Find the sum of the first 13 terms of the A.P: -6,\ 0,\ 6,\ 12 , ......

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  20. Find the sum of the first 51 terms of the A.P.: whose second term i...

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