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The sum of three numbers in A.P. is 12. ...

The sum of three numbers in A.P. is 12. If the sum of the squares is 56, then determine them.

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KALYANI PUBLICATION-PROGRESSION-EXERCISE
  1. The sum of three consecutive terms of an A.P. is 36 and their product ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. If a^2,b^2,c^2 are in A.P., then the terms given below are also in A.P...

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  19. If a^2,b^2,c^2 are in A.P., then the terms given below are also in A.P...

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  20. If 1/a,1/b,1/c are in A.P. then (b+c)/a,(c+a)/b,(a+b)/c are also in A....

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