GMAT-QUANTITIVE Online Practice Questions and Answers

For dinner at a restaurant, there are x choices of appetizers, y + 1 main courses, and z choices of dessert. How many total possible choices are there if you choose 1 appetizer, 1 main course, and 1 dessert for your meal?

A. x + y + z + 1

B. xyz + xz

C. xy + z + 1

D. xyz + 1

E. xyz + 1/2

If the radius of a cylinder is doubled and so is the height, what is the new volume of the cylinder divided by the old one?

A. 8.

B. 2.

C. 6.

D. 4.

E. 10.

Lilac has three times more Barbie dolls than Orly. If Lilac gives 6 dolls to Nirit, she would have 21 dolls left. How many dolls does Orly have?

A. 5.

B. 7.

C. 9.

D. 11.

E. 13.

A certain church bell rings the bell twice at half past the hour and four times at the hour plus an additional number of rings equal to what ever time it is. How many rings will the clock make from 6:20 in the morning to 10:10 in the morning?

A. 32.

B. 36.

C. 42.

D. 46.

E. 50.

Irin, Ingrid and Nell bake chocolate chip cookies in the ratio of 9.18: 5.17: 2.05. If altogether they baked a batch of 148 cookies, what percent of the cookies did Nell bake?

A. 0.125%

B. 1.25%

C. 12.5%

D. 125%

E. 0.152%

Tom and Jerry are running on the same road towards each other. If Tom is running at a speed of 2.5 meters per second and Jerry is running 36% slower, how much time will it take them to meet if the initial distance between the two is 50 meters and Tom started running 20 seconds before Jerry did?

A. 2 minute and 12 seconds.

B. two minutes.

C. 44 seconds.

D. 20 seconds.

E. 12 seconds.

If X = 23 x 52 x 7, then the expression X/8 is not divisible by:

A. 1.

B. 2.

C. 5.

D. 7.

E. 25.

What is the sum of squares of the first two positive odd integers if the sum of squares of the first two positive even integers is X?

A. X.

B. X/3.

C. X/2.

D. X/6.

E. 3X/4.

Does the product of XYZW = 16?

(1)

Y = 1.

(2)

X = 4Y and ZW = 4Y2

A.

Statement (1) BY ITSELF is sufficient to answer the question, but statement (2) by itself is not.

B.

Statement (2) BY ITSELF is sufficient to answer the question, but statement (1) by itself is not.

C.

Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, even though NEITHER statement BY ITSELF is sufficient.

D.

Either statement BY ITSELF is sufficient to answer the question.

E.

Statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the question, requiring more data pertaining to the problem.

Two cars leave the same city traveling on the same road in the same direction. The second car leaves one hour after the first. How long will it take the second car to catch up with the first?

(1)

The second car is traveling 10 miles per hour faster than the first car.

(2)

The second car averages 60 miles per hour.

A.

Statement (1), BY ITSELF, will suffice to solve the problem, but NOT statement (2) by itself.

B.

Statement (2), BY ITSELF, will suffice to solve the problem, but NOT statement (1) by itself.

C.

The problem can be solved using statement (1) and statement (2) TOGETHER, but not ONLY statement (1) or statement (2).

D.

The problem can be solved using EITHER statement (1) only or statement (2) only.

E.

The problem CANNOT be solved using statement (1) and statement (2) TOGETHER.