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If eleven A.M. ‘s are inserted between 2...

If eleven A.M. ‘s are inserted between 28 and 10, then find the number of integral A.M. ‘s.

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CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
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  2. The digits of a positive integer, having three digits, are in A.P. and...

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  3. If eleven A.M. ‘s are inserted between 28 and 10, then find the number...

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  4. Between 1 and 31, m numbers have been inserted in such a way that t...

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  5. Find the sum of first 24 terms of the A.P. a1,a2, a3 ......., if it i...

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  6. If the arithmetic progression whose common difference is nonzero the ...

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  7. The sum of n terms of two arithmetic progressions are in the ratio 5n+...

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  8. If the first two terms of as H.P. are 2/5 and 12/13, respectively. The...

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  9. Insert five arithmetic means  between 8 and 26. or Insert five numbers...

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  10. If a ,b ,c are in G.P. and a-b ,c-a ,a n db-c are in H.P., then prove ...

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  11. Find the number of terms in the series 20 ,19 1/3,18 2/3... the sum of...

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  12. If a, b a n d c are in A.P., a x ,b y ,a n dc z in G.P. and x,y,z in H...

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  13. Find the sum of all three-digit natural numbers, which are divisible b...

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  14. If a ,b ,c ,and d are in H.P., then find the value of (a^(-2)-d^-2)/(b...

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  15. Prove that a sequence in an A.P., if the sum of its n terms is of the ...

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  16. The product of the three numbers in G.P. is 125 and sum of their pr...

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  17. If the sequence a1, a2, a3,....... an ,dot forms an A.P., then prove ...

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  18. Find the value of n so that (a^(n+1)+b^(n+1))/(a^n+b^n) may be the g...

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  19. Three non-zero numbers a ,b , c are in A.P. Increasing a by 1 or incre...

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  20. A G.P. consists of an even number of terms. If the sum of all the t...

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