Questions of Test: GMAT Data Sufficiency Practice Test

1

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient

Who is more efficient between B & C?

I. A and B can complete x units of work in 12 days

II. A and C can complete x units of work in 18 days

2

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient

2. In what time can pipe A alone fill the tank?
I. Pipe B alone can empty the tank in 8 hours
II. When pipes A and B are opened simultaneously, the empty tank becomes half full in 12 hours

3

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient


How many Sundays are there in February of year X?

I. February 1st of that year is a Sunday

II. March 1st of that year is a Sunday

4

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient



What is the area of the path?

 

I. The dimension of a rectangular garden are 50m x 40m

II. The width of the path is 2m

5

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient



3 men A, B and C are standing in a row. Is C to the right of B?

 

I. B observes that A is to his right

II. A observes that C is to his right

6

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient



In a class, there are 100 students, taking at least one of three subjects: Maths, Physics and Chemistry. How many take only one subject?

 

I. There are 50 students who take at least two subjects

II. There are 95 students who take at the most two subjects

7

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient


Is Peter a student of Cambridge?

 

I. All the students of Cambridge are good at English

II. Peter is good at English


8

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient



What is the sum of the angles of a convex polygon of n sides?

 

I. The smallest angle is 100 degrees. The angles are in an arithmetic progression with common difference of 5 degrees.

 

II. The number of diagonals in the polygon is 6 times the number of sides.

9

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient


How many Apples are there in the basket?

 

I. If 4 apples are taken out from the basket, the number of apples in the basket is less than 40

 

II. If 6 apples are placed in the basket, the number of apples in the basket is more than 48.


10

Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question.

Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question.

Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question.

Mark (3) If the question can be answered by using either statement alone.

Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed.

Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient



N is a two digit number. What is the value of N?

 

I. N is the product of two single-digit numbers, which are not equal to each other.

 

II. N is greater than 60