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If the qth term of an A.P. is twice the ...

If the qth term of an A.P. is twice the pth term and rth term is twice the qth term. Prove that `-2p+r=3q`

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KALYANI PUBLICATION-PROGRESSION-EXERCISE
  1. The sum of the pth and the qth term of an A.P. is equal to the sum of ...

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  2. If pth, qth and rth term of an A.P. are in A.P., show that p, q, r als...

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  3. If the qth term of an A.P. is twice the pth term and rth term is twice...

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  4. The sum of the pth and qth term of an A.P. is one, and rth term is one...

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  5. The pth term of an A.P. is twice the qth term. Again the sum of qth an...

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  6. The sum of three consecutive terms of an A.P. is 21 and their product ...

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  7. The sum of three consecutive terms of an A.P. is 36 and their product ...

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  8. The sum of three consecutive terms of an A.P. is 54. If the product of...

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  9. The sum of three numbers in A.P. is 12. If the sum of the squares is 5...

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  10. Three integers are in A.P. If the product of the first and last is 60 ...

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  11. Divide 69 into three parts such that the parts may form as A.P. and th...

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  12. Divide 72 into three parts such that the parts may form,an AP. and the...

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  13. The product of three numbers in A.P. is 648. If the greatest is twice ...

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  14. The sum of the squares of three numbers in A.P. is 116. If the greates...

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  15. The sum of three numbers in A.P.is 30. If the product of the last...

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  16. The sum of four numbers in A.P. is 20 and sum of their squares is 120....

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  17. The sum of four numbers in A.P. is 40. If the sum of the product of fi...

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  18. If a, b, c are in A.P. then show that the terms given below are also i...

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  19. If a, b, c are in A.P. then show that the terms given below are also i...

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  20. If a, b, c are in A.P. then show that the terms given below are also i...

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