DSQ: Solving equations

Practice Questions

GMAT Quantitative Reasoning › DSQ: Solving equations

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1

What is the value of $\dpi{100} \small 2x+2y$ ?

Statement 1: $\dpi{100} \small x-3y=4$

Statement 2: $\dpi{100} \small x+y=4$

2

Solve for .

Statement 1:

Statement 2:

3

is a number not in the set $\left{-1, 0, 1 \right}$ .

Of the elements $\left { x, x^{2}, x^{3}\right }$ , which is the greatest?

Statement 1: is a negative number.

Statement 2: $\left | x\right |>1$

4

If $\dpi{100} \small z+x=y$ , what is the value of $\dpi{100} \small x$ ?

(1) $\dpi{100} \small z=7$

(2) $\dpi{100} \small y+7=z$

5

If $\dpi{100} \small x> 0$ , what is the value of x?

Statement 1: $\dpi{100} \small x> 1$

Statement 2: $\dpi{100} \small x^{2}-4=0$

6

Data Sufficiency Question- do not actually solve the problem

Solve for .

$\small 8vxy+9xz+10vyz=14$

1. $\small x=7$

2. $\small y=2$

7

is a real number. True or false: is positive.

Statement 1: $3^{N} > \frac{1}{3}$

Statement 2: The arithmetic mean of 100 and is positive.

8

is a real number. True or false:

Statement 1:

Statement 2: $2^{N} = 0.125$

9

True or false:

Statement 1:

Statement 2:

10

is a positive integer

True or false?

Statement 1:

Statement 2: is even.

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