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Find the sum of the following A.P.s : ...

Find the sum of the following A.P.s :
`1/15, 1/12, 1/10 ,……,` to 11 terms .

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The correct Answer is:
`33/20`
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MTG IIT JEE FOUNDATION-ARITHMETIC PROGRESSIONS -NCERT SECTION EXERCISE 5.3
  1. Find the sum of the following A.P.s : -37,-33,-29,…… to 12 terms .

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  2. Find the sum of the following A.P.s : 0.6 , 1.7 , 2.8 ,"……" to 100 t...

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  3. Find the sum of the following A.P.s : 1/15, 1/12, 1/10 ,……, to 11 te...

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  4. Find the sums given below : 7+10 1/2 +14 +…..+84

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  5. Find the sums given below : 34+32+30+…..+10

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  6. Find the sums given below : -5+(-8)+(-11)+ "….."+(-230)

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  7. In an A.P: given a = 5 , d = 3, a(n) = 50 , find n and S(n)

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  8. In an A.P: given a= 7 ,a(13)=35 , find d and S(13)

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  9. In an A.P: given a(12)=37, d = 3, find a and S(12)

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  10. given: a3=15,S[10]=125, find d and a[10]

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  11. given d = 5, S9 = 75, find a and a9.

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  12. In an A.P: given a = 2 , d = 8 , S(n)= 90, find n and a(n).

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  13. In an A.P: given a = 8 , a(n)= 62, S(n) = 210 ,find n and d .

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  14. In an A.P: given a(n) = 4 , d = 2 , S(n) = -14 , find n and a .

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  15. In an A.P: given a = 3 , n = 8 ,S= 192 ,find d .

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  16. In an A.P: given l = 28 , S= 144 , and there are total 9 terms . Fin...

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  17. How many terms of the A.P: 9,17,25 ,……. must be taken to give a sum of...

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  18. The first term of an A.P. is 5 , the last term is 45 and the sum is 40...

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  19. The first and the last terms of an A.P. are 17 and 350 respectively .i...

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  20. Find the sum of first 22 terms of an A.P. in which d = 7 and 22^(nd) t...

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