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Determine the AP whose third term is 15 ...

Determine the AP whose third term is `15` and differnce of `5th` from `8^(th)` is `21`.

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UNIQUE PUBLICATION-ARITHMETIC PROGRESSION-Unique Practice Session
  1. In a certain A.P. the 24 t h term is twice the 10 t h term. Prov...

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  2. In the year 2015, Mrs. Shaikh got a job with salary Rs. 1,80, 000 per ...

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  3. Determine the AP whose third term is 15 and differnce of 5th from 8^(t...

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  4. An A.P. consists of 40 terms . If the first and the last terms are -4 ...

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  5. Find a, b and c such that the following numbers are in AP, a, 7, b, 23...

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  6. The first term (a) and common difference (d) are given (i) Find first ...

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  7. A village has 4000 literate people in the year 2010 and this number in...

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  8. Find t(n) for following A.P., and then find 30th term of A.P. 3,8,13...

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  9. Which term of the following A.P. is 560? 2,11,20,29.......

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  10. Find the sum of last ten terms of the AP 8, 10, 12, …, 126.

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  11. Find the sum, (i) 4-(1)/(n)+4-(2)/(n)+4-(3)/(n)…………upto n terms (ii)...

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  12. Ajay sharma repays the borrowed amount of Rs 3,25,000 by paying Rs 305...

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  13. The 19th term of an AP is equal to 3 times its 6th term. If its 9th te...

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  14. Find the sum of first 45 terms of an A.P. whose 8^(th) term is 41 and ...

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  15. A man has saved Rs640 during the 1^(st) month, Rs720 in the 2^(nd) mon...

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  16. How many two digit number are divisible by 13 ? Also find their sum.

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  17. For an A.P. show that t(m+n)+t(m-n)=2tm

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  18. Check wether 301 is a term of the list of numbers 5, 11, 17, 23, .....

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  19. The 10th term and the 18th term of an A.P. are 25 and 41 respectively,...

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  20. How many two digit numbers are divisible by 4?

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