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In an AP:(ii) given a=7,a13=35,find d an...

In an AP:(ii) given a=7,`a_13=35`,find d and `S_13`.

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R G PUBLICATION-ARITHMETIC PROGRESSION-EXERCISE
  1. Find the sums given below :(iii)-5+(-8)+(-11)+…..+(-230)

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  2. In an AP:(i) given a=5,d=3,an=50,find n and Sn

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  3. In an AP:(ii) given a=7,a13=35,find d and S13.

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  4. In an AP:(iii) given a12=37,d=3,find a and S12.

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  5. In an AP:(iv)given a3=15,S10=125,find d and a10

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  6. In an AP:(v) given d=5,S9=75,find a and a9.

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  7. In an AP:(vi) given a=2,d=8,Sn=90,find n and an

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  8. In an AP:(vii) given a=8,an=62,Sn=210,find n and d

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  9. In an AP:(viii) given an=4,d=2,Sn=-14,find n and a.

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  10. In an AP:(ix)given a=3,n=8,S=192,find d.

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  11. In an AP:(x)given l=28,S=144,and there are total 9 terms.Find a.

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  12. How many terms of the AP:9,17,25,….. Must be taken to give a sum of 6...

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  13. The first term of an AP is 5,the last term is 45 and the sum is 400.Fi...

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  14. The first and last terms of an AP are 17 and 350 respectively.If the c...

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  15. Find the sum of first 22 terms of an AP in which d=7 and 22nd terms is...

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  16. Find the sum of first 51 terms of an AP whose second and third terms a...

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  17. If the sum of 7 terms of an AP is 49 and that of 17 terms is 289,find ...

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  18. Show that a1,a2,…..an,..form an AP where an is defined as below:(i) an...

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  19. Show that a1,a2,…..an,..form an AP where an is defined as below:(i) an...

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  20. If the sum of the first n terms of an AP is 4n-n^2,what is the first t...

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