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The 10th term and the 18th term of an A....

The 10th term and the 18th term of an A.P. are 25 and 41 respectively, then find 38th term of that A.P. Similarly if nth term is 99, find the value of n.

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UNIQUE PUBLICATION-ARITHMETIC PROGRESSION-Unique Practice Session
  1. Determine the AP whose third term is 15 and differnce of 5th from 8^(t...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. A mixer manufacturing company manufactured 600 mixers in 3^(rd) year a...

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  20. Anvar saves some amount every month. In first three months he saves Rs...

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