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The sum of four numbers in A.P. is 40. I...

The sum of four numbers in A.P. is 40. If the sum of the product of first and last term and two middle term is 160, find the numbers

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KALYANI PUBLICATION-PROGRESSION-EXERCISE
  1. The sum of three numbers in A.P.is 30. If the product of the last...

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

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

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

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

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

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

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

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

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  10. 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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  11. 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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  12. 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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  13. If 1/(a+b),1/(b+c),1/(c+a) are in A.P., then c^2,a^2,b^2are in A.P.

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  14. Insert three arithmetic mean between 2 and 14.

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  15. Insert three A.M.'s between 3 1/4 and 1 1/4.

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  16. Insert seven A.M.’s between 1 and 41.

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  17. Insert five A.M.'s between 1.2 and 8.4.

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  18. Determine four numbers between 7 and 4 such that these six numbers are...

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  19. Determine three quantities between x and 9x+ 4 such that these five nu...

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  20. Determine p A.M.’s between 1 and p^2.

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