Saturday, March 2, 2013

Numbers Q9


9. Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:

A.9         B.11

C.13       D.15

Answer: Option D

Explanation:

Let the three integers be x, x + 2 and x + 4.
Then, 3x = 2(x + 4) + 3   
   x = 11.
                        Third integer = x + 4 = 15.

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