GRE Exam Numerical Ability Algebra

Given z=2x, y=3z and xy≠0. What is the value of (6x²+y²)/(xz+yz) ? A)4 B)3 C)5 D)1/3

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GRE Other Question

Number of solutions for the below equation is x^2+2x+1=0 is

a) one b)two c)three d)four e)no The quotient of a and b is 3. If a is 60% of c, which is 5/6 times larger than d. What is d in terms of b ? A) 30b/11 B) 6b/11 C) 3b/11 D) 11b/3