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The number of zeros at the end of (101)^...

The number of zeros at the end of `(101)^(11)-1` is

A

8

B

4

C

6

D

2

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The correct Answer is:
4
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AAKASH INSTITUTE ENGLISH-BINOMIAL THEOREM-Assignment (section-A)
  1. The expansion of (x^(alpha)+1/x^(beta))^(n) has constant term, if

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  2. The number of rational terms in the expansion of ((25)^(1/3) + 1/(25)^...

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  3. The number of zeros at the end of (101)^(11)-1 is

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  4. In the expantion of (1+kx)^(4) the cofficient of x^(3) is 32, then th...

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  5. In the expansion of (3+x/2)^(n) the coefficients of x^(7) and x^(8) ar...

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  6. sqrt(5){(sqrt(5)+1)^(50)-(sqrt(5)-1)^(50)}

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  7. In expansion of (x+a)^(5), T(2):T(3)=1:3, then x:a is equal to

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  8. If the coefficient of x^(7)in [ax^(2) + (1/bx)]^(11) equals the coeffi...

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  9. The middle term in the expansioin of (1+x)^(2n) is

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  10. Cofficient of x^(12) in the expansion of (1+x^(2))^50(x+1/x)^(-10)

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  11. The number of terms in expansion of (x^(2)+18x+81)^(15) is

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  12. The term independent of x in the expanion of (root(6)(x)-(2)/(root(3)(...

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  13. The middle terms in the expansion of (1+x)^(2n+1) is (are)

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  14. (1.003)^(4) is nearby equal to

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  15. The nubmber of non - zeroes terns in the expansion of (1+sqrt(5))^(6)+...

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  16. The number of non -zeroes terms in the expansion of (sqrt(7)+1)^(75)-(...

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  17. The number of terms in the expansion if (a+b+c)^(12) is

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  18. Two consecutive terms in the expansion of (3+2x)^74 have equal coeffic...

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  19. If the coefficients of rth, (r+ 1)th and (r + 2)th terms in the expa...

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  20. Cofficient of x^(3)y^(10)z^(5) in expansion of (xy+yz+zx)^(6) is

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