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The ratio of the 11th and 14th terms of ...

The ratio of the 11th and 14th terms of an A.P. is 7:9, find the ratio of the 10th term to 3rd term of the series.

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The correct Answer is:
`19 : 5`
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CHHAYA PUBLICATION-SEQUENCE AND SERIES-Exercise 9 B (Short Answer Type Questions)
  1. The sum of four integers in A.P. is 20 and the sum of their squares is...

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  2. Divide 21 into three parts in A.P. such that the product of the first ...

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  3. The ratio of the 11th and 14th terms of an A.P. is 7:9, find the ratio...

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  4. Insert five arithmetic means between (-19) and 23.

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  5. There are n arithmetic means between 4 and 31 such that the second mea...

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  6. If a, b, c are In A.P., then show that, (a+2b-c) (2b+c-a)(c+a-b) = 4...

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  7. If a, b, c are In A.P., then show that, a^(2)(b+c), b^(2)(c+a), c^(2...

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  8. If a, b, c are In A.P., then show that, (1)/(b c), (1)/(c a), (1)/(a...

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  9. If the pth , qth and rth terms of an A.P. be P, Q and R respectively t...

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  10. If (b+c)/(a), (c+a)/(b), (a+b)/(c ) are in A.P. show that (1)/(a), (1)...

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  11. Let a(a != 0) is a fixed real number and (a-x)/(p x) = (a-y)/(qy) = (a...

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  12. If a+c = 2b and ab + cd + ad = 3bc, prove that the four numbers a, b, ...

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  13. Find the least value of n for which the sum of the series 20 + 28 + 36...

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  14. The nth term of a series in A.P. is an + b. Find the sum of the series...

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  15. Find the sum of the series 1^(2) - 2^(2) - 3^(2) - 4^(2) + 5^(2) - 6^(...

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  16. The perpendicular of a right angled triangle is 9 cm and the three sid...

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  17. If the xth term of an A.P. is (1)/(y) and its yth term is (1)/(x) then...

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  18. An A.P. consists of n terms. If the sum of its first three terms is x ...

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  19. If S be the sum of first (2n+1) terms of an A.P and the sum of terms i...

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  20. The sum of first p terms of an A.P. is (p^(2))/(n) and the sum of its ...

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