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If 12th term of an A.P. is -13 and the s...

If 12th term of an A.P. is -13 and the sum of the first four terms is 24, what is the sum of first 10 terms ?

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. The third term of an A.P. is 7 and the seventh term exceeds three time...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. Find the sum of the first 15 multiples of 8.

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  19. Find the sum of the first 40 positive integers divisible by (a) 3  ...

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  20. Find the sum of all 3 – digit natural numbers, which are divisible ...

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