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CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
- The sum of n terms of two arithmetic progressions are in the ratio 5n+...
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- If the first two terms of as H.P. are 2/5 and 12/13, respectively. The...
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- Insert five arithmetic means between 8 and 26. or Insert five numbers...
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- 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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- Find the number of terms in the series 20 ,19 1/3,18 2/3... the sum of...
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- 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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- Find the sum of all three-digit natural numbers, which are divisible b...
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- If a ,b ,c ,and d are in H.P., then find the value of (a^(-2)-d^-2)/(b...
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- Prove that a sequence in an A.P., if the sum of its n terms is of the ...
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- The product of the three numbers in G.P. is 125 and sum of their pr...
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- If the sequence a1, a2, a3,....... an ,dot forms an A.P., then prove ...
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- 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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- Three non-zero numbers a ,b , c are in A.P. Increasing a by 1 or incre...
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- A G.P. consists of an even number of terms. If the sum of all the t...
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- If a, b, c and d are in G.P. show that (a^2+b^2+c^2)(b^2+c^2+d^2)=(a ...
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- If the sum of n terms of a G.P. is 3-(3^(n+1))/(4^(2n)) , then find ...
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- Which term of the G.P. 2,1, 1/2,1/4, i s1/(128)?
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- 'n' A.M's are inserted between a and 2b, and then between 2a and b. If...
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- If (a^n+b^n)/(a^(n-1)+b^(n-1)) is the A.M. between a and b, then find ...
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- The first and second terms of a G.P. are x^(-4) and x^n , respectively...
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