GMAT Forum 2025, Discuss, Learn And Practice Together

If (x+1)(y+1) ≠0, y=1/x+1, and z=1/y+1, which of the following is equivalent to z in terms of x?

A. 1

B. x + 1

C. x + 2

D. (x + 1)/(x + 2)

E. (x + 2)/(x + 1)

If x+y=24 and 2x−7y=15, which of the following is equal to 13?

A. x−y

B. x+y

C. x−2y

D. 2x+y

E. 2x− y

If x is an integer and y = –3x + 7, what is the least value of x for which y is less than 1?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

What is the sum of all solutions to the equation |x + 3| = 4 ?

A. -8
B. -6
C. 4
D. 8
E. 9

If x + y = 2 and x^2 + y^2 = 2, what is the value of xy ?

A. –2
B. –1
C. 0
D. 1
E. 2

In a certain box, the ratio of red marbles to blue marbles is 4 to 5, and the ratio of green to blue marbles is 2 to 3. What is the least number of marbles that could be present in the box?

A) 14
B) 15
C) 32
D) 37
E) 43

If 3x+y=−1 and y−2x=4, what is the value of x+2y?

A. − 5
B. − 3

C. 0

D. 3

E. 5

If 2x + 5y =8 and 3x = 2y, what is the value of 2x + y?

A. 4
B. 70/19
C. 64/19
D. 56/19
E. 40/19

If 5x−3−2x+4=2(−x−7), what is the value of x ?

(A) -10
(B) -8
(C) -6
(D) -3
(E) 6

If x is negative and y is positive, what is the value of x given that x^2−8xy+16y^2=49

A. 4y − 49
B. 49 − 4y
C. −7 − 4y
D. 7 + 4y
E. 4y − 7