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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
- If S1,S2, S3, Sm are the sums of n terms of m A.P. ' s whose first ter...
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- Let Sn be the sum of first n terms of an A.P. with non-zero common d...
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- If there are (2n+1) terms in A.P., then prove that the ratio of the su...
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- The ratio of the sum of n terms of two A.P. s is (7n+1):(4n+27) . Fin...
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- Show that x^2+x y+y^2,z^2+xz+x^2, y^2+y z+z^2, are consecutive terms o...
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- If a ,b ,c are in A.P., prove that: i.(a-c)^2=4(a-b)(b-c) ii.a^2+c^2...
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- Find the sum of all those integers between 100 and 800 each of which o...
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- If the sum of m terms of an A.P. is equal to the sum of either the nex...
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- Suppose x and y are two real numbers such that the rth mean between xa...
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- The sum of two numbers is (13)/6dot An even number of arithmetic means...
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- The digits of a positive integer, having three digits, are in A.P. and...
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- 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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- A man repays a loan of R s .3250 by paying R s .20 in the first month ...
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- 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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- 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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- 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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- If a^2,b^2,c^2 are in A.P., then prove that the following are also in ...
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- Two cars start together in the same direction from the same place. The...
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- Find an A.P. in which the sum of any number of terms is always three ...
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- If log2,log(2^x-1),log(2^x+3) are in A.P., write the value of xdot
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