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Each term of an A.P. is doubled. Is the ...

Each term of an A.P. is doubled. Is the resulting sequence also an A.P.? If it is, write its first term, common difference and `n^(th)` term.

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BEYOND PUBLICATION-PROGRESSIONS-EXERCISE
  1. The 8^(th) term of an A.P. is 17 and the 19^(th) term is 39. Find the ...

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  2. If m times the m^(th) term of an A.P. is equal to n times the n^(th) t...

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  3. Each term of an A.P. is doubled. Is the resulting sequence also an A.P...

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  4. The third term of an A.P. is 'p' and the fourth term 'q'. Find the 10^...

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  5. Find the 20^(th) term and n^(th) term of the A.P. 21,16,11,….

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  6. Write the first three terms defined by an= n/(n+1)

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  7. find the sum of the following A.Ps 7,11,15,….,12 terms, n terms.

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  8. find the sum of the following A.Ps 3,5,7,…to 50 terms.

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  9. find the sum of the following A.Ps -2,4,10,….21 terms, 50 terms.

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  10. find the sum of the following A.Ps 1,1/4,3/2,32,…..to81 terms.

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  11. Find the sum of 32 terms of an A.P. whose third term is 1 and 6^(th) t...

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  12. Determine the sum of first 35 terms of an A.P. if a2=2 and a7 =22.

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  13. Find the sum to 'n' terms of an A.P. whose 7^(th) term is 30 and 13^(t...

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  14. How many terms are there in an A.P. whose first and fifth terms are -1...

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  15. Find the sum of all natural numbers between 100 and 1000 which are mul...

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  16. If the 8^(th) term of an A.P. is 31 and 15th term is 16 more than the ...

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  17. Which term of the A.P.5,15,25,… will be 130 more than its 31^(st) term...

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  18. The sum of 5^(th) and 9^(th) terms of A.P. is 72 and the sum of 7th an...

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  19. How many mulitiples of 4 lie between 10 and 250?

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  20. How many three digit numbers are divisible by 3?

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