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If the sixth term of an H.P. is 10 and t...

If the sixth term of an H.P. is 10 and the 11th term is 18 Find the 16th term.

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CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
  1. The second term of an H.P. is 3/14 and the fifth term is 1/10 . Find...

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  2. A pack contains n cards numbered from 1 to n. Two consecutive numbered...

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  3. If the sixth term of an H.P. is 10 and the 11th term is 18 Find the 16...

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  4. If he equation x^3+a x^2+b x+216=0 has three real roots in G.P., then ...

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  5. Let Tr be the rth term of an A.P., for r=1,2,3,..... If for some pos...

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  6. Let An = (3/4) -(3/4)^2 + (3/4)^3 +.....+(-1)^(n - 1) (3/4)^n , Bn = 1...

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  7. For a positive integer n let a(n)=1+1/2+1/3+1/4+.......+1/((2^n)-1) th...

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  8. If x >1,y >1,a n dz >1 are in G.P., then 1/(1+lnx),1/(1+l ny)a n d1/(1...

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  9. Compute the 100th term of HP if the 10th and 20th term of HP are 20 an...

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  10. Find the 6th and nth term of the GP 2, 6, 18, 54,.....

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  11. If a,b,c are in AP and a^2,b^2,c^2 are in HP, then

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  12. Let a ,b be positive real numbers. If a, A1, A2, b be are in arithmeti...

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  13. The sum of an infinite G.P. is 57 and the sum of their cubes is 9747, ...

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  14. If a^2+b^2,a b+b c and b^2+c^2 are in G.P., then a ,b ,c are in a. A.P...

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  15. If y^2=x za n da^x=b^y=c^z , then prove that (log)6a=(log)c bdot

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  16. The geometric mean between -9 and -16 is a.12 b. -12 c. -13 d. none of...

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  17. The value of 0.568 x 4.9 =?

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  18. If (1+x)(1+x^2)(1+x^4)....(1+x^128)=sum(r=0)^nx^r then n is

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  19. The number of terms common between the series 1+ 2 + 4 + 8..... to 100...

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  20. Express the given complex number in (a+ib) form: (5-2i)^2

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