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Find the sum of following Aps. 2,7,12,...

Find the sum of following Aps.
`2,7,12,......` to 10 terms .

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KUMAR PRAKASHAN-ARITHMETIC PROGRESSION-EXERCISE 5.3
  1. Find the sum of following Aps. 2,7,12,...... to 10 terms .

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  2. Find the sum of following Aps. -37 , -33, -29 , ....., to 12 term

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  3. Find the sum of following Aps. 0.6,1.7,2.8,...., to 100 terms

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  4. Find the sum of following Aps. 1/(15),(1)/(12),(1)/(10),..... to 11 ...

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  5. Find the sums sums given below : 7 + 10(1)/(2)+14+....+84

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

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  7. Find the sums sums given below : (-5)+(-8)+(-11)+......+(-230)

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  8. In an AP : Given a = 5 , d = 3 , a(n)=50 , find n and Sn

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  9. In an AP : Give a = 7 , a(13)= 35 , find d and S(13) .

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  10. In an AP : Give a = 7 , a(12)= 37 , d = 3, find a and S(12) .

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  11. In an AP : Given a(3) = 15 ,S(10)=125 , find d and a(10)

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  12. In an AP : Given d = 5 , s(9)=75 find a and a9

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  13. In an AP : Given a=2, d=8 , S(n)=90 , find n and an .

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  14. In an AP : Given a = 8 , a(n)=62 , S(n)=210 , find n and d .

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  15. In an AP : Given an=4 , d = 2 , S(n)=-14 , find n and a .

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  16. In an AP : Given a = 3 , n = 8 , S(n) = 192 , find d .

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  17. In an AP : Given l = 28 , S(n) = 144 , and there are total 9 terms...

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  18. How many terms of the AP , 9 , 17 , 25 .......must be taken to give a ...

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

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

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