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In an AP:(vii) given a=8,an=62,Sn=210,fi...

In an AP:(vii) given a=8,`a_n=62,S_n=210`,find n and d

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R G PUBLICATION-ARITHMETIC PROGRESSION-EXERCISE
  1. In an AP:(v) given d=5,S9=75,find a and a9.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. Find the sum of the first 40 positive integers divisible by 6.

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  17. Find the sum of the first 15 muliples of 8.

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  18. Find the sum of all the odd numbers between 0 and 50.

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  19. A contract of construction job specifies a penalty for delay of comple...

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  20. A sum of ₹700 is to be used to given seven cash prizes to students of ...

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