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GRE Quiz | GRE Quantitative 2 | Question 15
  • Last Updated : 27 Mar, 2019

Which of the following is equivalent to (10z + 10z + 1) / (10z – 1 + 10z)?

(A) 2 / 3
(B) 3 / 2
(C) 10
(D) 1
(E) 1 / 10


Answer: (C)

Explanation:

= (10z + 10z + 1) / (10z - 1 + 10z)
= 10z(1 +  10) / 10z((1 / 10) + 1) 
= 11 / (11/10)
= 10 

So, option (C) is correct.

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