Data Sufficiency Aptitude Questions and Answers

Directions: Each question below is followed by two statements A and B. You have to determine whether the data given in the statement are sufficient to answer the question. You should use the data and your knowledge of mathematics to choose from the possible answers. Give answer:

1) if the statement A alone is sufficient to answer the question, but the statement B alone is not sufficient.

2) if the statement B alone is sufficient to answer the question, but the statement A alone is not sufficient.

3) if both statement A and B together are needed to answer the question.

4) if either statement A alone or B alone is sufficient to answer the question.

5) if you cannot get the answer from the statements A and B together, but needed even more data.

What is the area of the square?

A. The measure of the diagonal of a square is 16 cm.

B. The perimeter of the square is 64 cm.

Directions: Each question below is followed by two statements A and B. You have to determine whether the data given in the statement are sufficient to answer the question. You should use the data and your knowledge of mathematics to choose from the possible answers. Give answer:

1) if the statement A alone is sufficient to answer the question, but the statement B alone is not sufficient.

2) if the statement B alone is sufficient to answer the question, but the statement A alone is not sufficient.

3) if both statement A and B together are needed to answer the question.

4) if either statement A alone or B alone is sufficient to answer the question.

5) if you cannot get the answer from the statements A and B together, but needed even more data.

What is the rate of interest p.a?

A. The difference between the CI and SI on an amount is Rs.1000 at the end of 2 years.

B. An amount doubles itself in 4 years with SI.

Directions: Each question below is followed by two statements A and B. You have to determine whether the data given in the statement are sufficient to answer the question. You should use the data and your knowledge of mathematics to choose between the possible answers. 

Give answer

1) if the statement A alone is sufficient to answer the question, but the statement B alone is not sufficient.

2) if the statement B alone is sufficient to answer the question, but the statement A alone is not sufficient.

3) if the both statement A and B together are needed to answer the question.

4) if either the statement A alone or B alone is sufficient to answer the question.

5) if you cannot get the answer from the statements A and B together, but needed even more data.

The number obtained by interchanging the two digits of a two-digit number is less than the original number by 36. If the sum of the two digits of the number is 8, then what is the original number?

Directions: Each question below is followed by two statements A and B. You have to determine whether the data given in the statement are sufficient to answer the question. You should use the data and your knowledge of mathematics to choose between the possible answers. 

Give answer

1) if the statement A alone is sufficient to answer the question, but the statement B alone is not sufficient.

2) if the statement B alone is sufficient to answer the question, but the statement A alone is not sufficient.

3) if the both statement A and B together are needed to answer the question.

4) if either the statement A alone or B alone is sufficient to answer the question.

5) if you cannot get the answer from the statements A and B together, but needed even more data.

What is the speed of a boat in still water?
A. The downstream speed of the boat is three times the upstream speed of the boat.
B. The sum of upstream and downstream speeds of the boat is 16 kmph.

Directions: Each question below is followed by two statements A and B. You have to determine whether the data given in the statement are sufficient to answer the question. You should use the data and your knowledge of mathematics to choose between the possible answers. 

Give answer

1) if the statement A alone is sufficient to answer the question, but the statement B alone is not sufficient.

2) if the statement B alone is sufficient to answer the question, but the statement A alone is not sufficient.

3) if the both statement A and B together are needed to answer the question.

4) if either the statement A alone or B alone is sufficient to answer the question.

5) if you cannot get the answer from the statements A and B together, but needed even more data.

What is the volume of a cube?
A. The area of each face of the cube is 81 m²
B. The length of one side of the cube is 9 m.