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The sum of two numbers is (13)/6dot An e...

The sum of two numbers is `(13)/6dot` An even number of arithmetic means are being inserted between them and sum exceeds their number by `1.` find the number of means inserted.

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. If the sum of m terms of an A.P. is equal to the sum of either the nex...

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  2. Suppose x and y are two real numbers such that the rth mean between xa...

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  3. The sum of two numbers is (13)/6dot An even number of arithmetic means...

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  4. The digits of a positive integer, having three digits, are in A.P. and...

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  5. If x ,y ,z are in A.P. and A1 is the A.M. of xa n dya n dA2 is the A.M...

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  6. A man repays a loan of R s .3250 by paying R s .20 in the first month ...

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  7. If (b+c-a)/a ,(b+c-a)/b ,(b+c-a)/c , are in A.P., prove that 1/a ,1/b ...

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  8. If (b-c)^2,(c-a)^2,(a-b)^2 are in A.P., then prove that 1/(b-c),1/(c-a...

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  9. If a ,b ,c are in A.P., prove that 1/(b c),1/(c a),1/(a b), is al...

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  10. If a^2,b^2,c^2 are in A.P., then prove that the following are also in ...

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  11. Two cars start together in the same direction from the same place. The...

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  12. Find an A.P. in which the sum of any number of terms is always three ...

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  13. If log2,log(2^x-1),log(2^x+3) are in A.P., write the value of xdot

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  14. The sums of first n terms of two A.P. ' s are in hte ratio (7n+2):(n+4...

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  15. Give first 3 terms of the sequence defined by an=n/(n^2+1)dot

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  16. Find the first four terms of the sequence whose first term is 1 and ...

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  17. 1,4,7,10,is an A.P. whose first term is 1 and the common difference is...

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  18. 11, 7, 3, -1 is an A.P. whose first term is 11 and the common diffe...

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  19. The nth term of a sequence is 3n-2 is the sequence an A.P.? If so, fin...

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  20. If the nth term an\ of a sequence is given by an=n^2-n+1 write down i...

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