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The sum of the third and the seventh ter...

The sum of the third and the seventh terms of an AP is 6 and their product is 8.Find the sum of first sixteen terms of the AP.

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R G PUBLICATION-ARITHMETIC PROGRESSION-EXERCISE
  1. In a potato race a bucket is placed at the starting point which is 5 m...

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  2. Which term of the AP:121,117,113,….,is its first negative term?

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  3. The sum of the third and the seventh terms of an AP is 6 and their pro...

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  4. A ladder has rungs 25 cm apart.(see Fig.)The rungs decrease uniformly ...

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  5. The houses of a row are numbered consecuitively from 1 to 49.Show that...

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  6. Define arithmetic Progression.

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  7. Find the nth term of 6,8,10,….

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  8. Write the common difference of an A.P.Whose nth term is an=3n+7

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  9. The first term of an AP.is 6 and the common difference is 2,then deter...

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  10. Find the 20th term from the last term of the AP:3,8,13,….253.

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  11. Find the value of x if 2x,x+10 and 3x+2 are in A.P.

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  12. If x,2x+p and 3x+6 are three consecutive terms of an A.P.then find the...

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  13. Find the sum of first n even natural numbers.

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  14. Find the sum of first twelve multiple of 7.

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  15. If the sum of n terms of an A.P is Sn=3n^2+5nthen find the Common diff...

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  16. If 4/5,a,2 are three consecutive terms of an A.P.then a= a)5/4 b)9/5...

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  17. The first term of an AP is a and its common difference is d then its 1...

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  18. Which term of the A.P.72,63,54,….is '0'? a)9th b)8th c)10th d)11t...

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  19. The first two terms of an AP are -5 and 6.Its 21st term will be a)215...

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  20. The next term of the AP sqrt2,sqrt8,sqrt18,….will be

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