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How many terms are there in the A.P. who...

How many terms are there in the A.P. whose first and fifth terms are -14 and 2 respectively and the sum of the terms is 40?

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. If the sum of a certain number of terms of the A.P. 25, 22, 19.... ...

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

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  3. How many terms are there in the A.P. whose first and fifth terms are ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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