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The first term of an AP is 5, the last t...

The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference.

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MBD-ARITHMETIC PROGRESSION-EXERCISE
  1. The first term of an AP is 5, the last term is 45 and the sum is 400. ...

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  2. Find out which of the following sequences are arithmetic progressions....

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  3. Find out which of the following sequences are arithmetic progressions....

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  4. Find out which of the following sequences are arithmetic progressions....

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  5. Find out which of the following sequences are arithmetic progressions....

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  6. Find out which of the following sequences are arithmetic progressions....

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  7. If it is an arithmetic progressions, find out the common difference. :...

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  8. Find out which of the following sequences are arithmetic progressions....

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  9. Find out which of the following sequences are arithmetic progressions....

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  10. Find out which of the following sequences are arithmetic progressions....

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  11. Find out which of the following sequences are arithmetic progressions....

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  12. Find the common difference of the AP and write the next two terms :- 5...

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  13. Find the common difference of the AP and write the next two terms :- 7...

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  14. Find the common difference of the AP and write the next two terms :- 0...

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  15. Find the common difference of the AP and write the next two terms :- 1...

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  16. The n^(th) term of a sequence is given by Tn = 2n + 7. Show that it i...

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  17. Show that the sequence defined by Tn = 4n + 7 is an A.P. Also, find it...

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  18. Show that the sequence whose n^(th) term is 2n^2 + n + 1 is not an A....

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  19. Find out which of the following sequences are A.P. for those which are...

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  20. Find out which of the following sequences are A.P. for those which are...

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  21. Find out which of the following sequences are A.P. for those which are...

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