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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
- Along a road lie an odd number of stones placed at intervals of 10 met...
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- Find a three – digit number such that its digits are in increasing G.P...
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- If the terms of the A.P, sqrt(a-x),sqrt(x),sqrt(a+x) are all in integ...
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- For a ,x ,>0 prove tht at most one term of the G.P. sqrt(a-x),sqrt(x),...
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- If 1/(1^2)+1/(2^2)+1/(3^2)+ .......=(pi^2)/6,t h e n1/(1^2)+1/(3^2)+1/...
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- Coefficient of x^(18) in (1+x+2x^2+3x^3++18 x^(18))^2 equal to 995 b. ...
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- Let alphaa n dbeta be the roots of x^2-x+p=0a n dgammaa n ddelta be th...
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- If the sum of the first 2n terms of the A.P. 2, 5, 8, ..., is equal to...
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- Statement 1: If the arithmetic mean of two numbers is 5/2 geometric ...
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- Let the positive numbers a ,b ,ca d nd be in the A.P. Then a b c ,a b ...
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- If three positive real numbers a,b ,c are in A.P such that a b c=4 , t...
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- Consider an infinite geometric series with first term a and common rat...
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- The maximum sum of the series 20+19 1/3+18 2/3+...... is (A) 310 (...
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- In the quadratic equation ax^2+bx+c=0,Delta = b^2-4ac and alpha+beta,a...
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- Let a1,a2,a3,... be in harmonic progression with a1=5a n da(20)=25. ...
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- An infinite G.P. has first term as a and sum 5, then a belongs to a) |...
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- Let Ssub(0,pi) denote the set of values of x satisfying the equation 8...
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- The value of sum(r=0)^n(a+r+a r)(-a)^r is equal to a.(-1)^n[(n+1)a^(n+...
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- If x1,x2 …,x(20) are in H.P and x1,2,x(20) are in G.P then underset(r=...
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- The sum of series x/(1-x^2)+(x^2)/(1-x^4)+(x^4)/(1-x^8)+ to infinite t...
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