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Find the sum of two middle most terms of the AP `-(4)/3,-1,-(2)/3,.....4(1)/3`

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KUMAR PRAKASHAN-ARITHMETIC PROGRESSION-TEST YOUR SKILLS
  1. A finite AP has 21 terms . The sum of 10th, 11th and 12th term is 129 ...

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  2. Determine k so that k^(2)+4k+8,2k^(2)+3k+6,3k^(2)+4k+4 , are three con...

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  3. Find the sum of two middle most terms of the AP -(4)/3,-1,-(2)/3,........

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  4. The 26th , 11th and the last term of an AP are 0,3 and -1/5 respective...

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  5. How many three digit numbers are such that when divided by 7, leaves a...

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  6. If the 9th term of an AP is zero, prove that its 29th term is twice it...

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  7. Find the number of odd integers between 2 and 100 which are divisible ...

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  8. The sum of 5th and 7th terms of an AP is 52 and the 10th term is 46 . ...

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  9. Find the 20th term of the AP whose 3rd term is 7 and the 7 term exceed...

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  10. The first and the last term of an AP are 7 and 49 respectively. If th...

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  11. Find : Sum of those integers between 1 and 500 which are multiples...

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  12. Find : Sum of those integers from 1 to 500 which are multiples of ...

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  13. Find : Sum of those integers from 1 to 500 which are multiples of ...

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  14. The sum of first seven terms of an AP is 182. If its 4th and the 17th ...

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  15. If the sum of first n terms of an AP is 1/2 (3n^(2) + 7n) , then find ...

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  16. If Sn denotes the sum of first n terms of an AP, prove that S(12) = 3...

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  17. The ratio of the sum of first n terms of two APs is (7n + 1): (4n + 27...

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  18. A man repays a loan of Rs 3250 by paying Rs 20 in the first month and ...

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  19. If the 12th term of an AP is -13 and the sum of its first four terms i...

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  20. Kartikay repays his total loan of Rs 1,18,000 by repaying every month....

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