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Find a three – digit number such that it...

Find a three – digit number such that its digits are in increasing G.P. (from left to right) and the digits of the number obtained from it by subtracting 100 form an A.P.

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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
  1. If the first and the nth terms of a G.P are a and b , respectively, an...

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  2. Along a road lie an odd number of stones placed at intervals of 10 met...

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  3. Find a three – digit number such that its digits are in increasing G.P...

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  4. If the terms of the A.P, sqrt(a-x),sqrt(x),sqrt(a+x) are all in integ...

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  5. For a ,x ,>0 prove tht at most one term of the G.P. sqrt(a-x),sqrt(x),...

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  6. 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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  7. Coefficient of x^(18) in (1+x+2x^2+3x^3++18 x^(18))^2 equal to 995 b. ...

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  8. Let alphaa n dbeta be the roots of x^2-x+p=0a n dgammaa n ddelta be th...

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  9. If the sum of the first 2n terms of the A.P. 2, 5, 8, ..., is equal to...

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  10. Statement 1: If the arithmetic mean of two numbers is 5/2 geometric ...

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  11. Let the positive numbers a ,b ,ca d nd be in the A.P. Then a b c ,a b ...

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  12. If three positive real numbers a,b ,c are in A.P such that a b c=4 , t...

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  13. Consider an infinite geometric series with first term a and common rat...

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  14. The maximum sum of the series 20+19 1/3+18 2/3+...... is (A) 310 (...

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  15. In the quadratic equation ax^2+bx+c=0,Delta = b^2-4ac and alpha+beta,a...

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  16. Let a1,a2,a3,... be in harmonic progression with a1=5a n da(20)=25. ...

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  17. An infinite G.P. has first term as a and sum 5, then a belongs to a) |...

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  18. Let Ssub(0,pi) denote the set of values of x satisfying the equation 8...

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  19. 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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  20. 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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