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If the sum of three consecutive terms...

If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is
(a) 13    
(b) 9     
(c) 21     
(d) 17

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
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  3. If the sum of three consecutive terms of an increasing A.P. is 51 a...

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  12. If the first term of an A.P. is 2 and common difference is 4, then ...

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  13. The number of terms of the A.P. 3,\ 7,\ 11 ,\ 15 ,\ ddot to be take...

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  14. Sum of n terms of the series sqrt(2)+sqrt(8)+sqrt(18)+sqrt(32)+\ dd...

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  15. The 9t h term of an A.P. is 449 and 449th term is 9. The term which...

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  16. The n t h term of an A.P., the sum of whose n terms is Sn , is (a) S...

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  17. The common difference of an A.P., the sum of whose n terms is Sn , i...

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  18. If the sums of n terms of two arithmetic progressions are in the...

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  19. If Sn denote the sum of n terms of an A.P. with first term a and c...

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