# Evaluating a Fraction

This is an MCQ-based quiz for GRE on How To Evaluate A Fraction.

To evaluate fractions, you need to know some basic operations such as simplification, addition, subtraction, multiplication and division. A fraction is a part of a whole. It is written "a/b," where "a" is called the numerator and "b" is called the denominator.

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If 3x = 12, y/4 = 10, and 4z = 9, what is the value of (10xyz)/xy?

360 22.5 4.5 160 10

Mary walked to school at an average speed of 2 miles per hour and jogged back along the same route at an average speed of 6 miles per hour. If her total traveling time was 1 hour, what was the total number of miles in the round trip?

8

3

4

5

2

Evaluate the following equation when x=5 and round your answer to the nearest hundredth.
(x^3−2*x^2−3x+5) / (5x+3)

5.28

4.33

-1.94

2.32

5.00

If w=1/8 then which of the following is equal to w^2/3?

1/64

1/4

1/32

1/2

1/16

Solve 1/(x*(x-1)) + 1/x = 1/(x-1)

0

no solution

–1

infinitely many solutions

Evaluate (x^2-4x+6) / (5x-9)  when x=11. Round to the nearest tenth.

1.9

0.2

0.3

1.8

For this question, the following trigonometric identities apply:
cosec(x) =1/sin(x),
sec(x) = 1/cos(x),
cot(x) = 1/tan(x)

Simplify: sin^2(x)*cosec(x)*cot(x)

tan(x)

cos(x)

sin(x)

sin(x)*cos(x)

sec(x)

If 5x=55, x+y=23, and y-z=2 , find the value of (2x+y) / z .

17/5

9/2

19/5

16/7

13/5

If  x=1/2  and y=2/3 , then which of the following is equal to 2/(x+y)?

4

2.33

9/7

12/7

10/3

Find the value of w if w=(1/3 +y)^2 and y=1/9 .

3/55

1/12

4/27

9/10

16/81

Quiz/Test Summary
Title: Evaluating a Fraction
Questions: 10
Contributed by: 