Data Sufficiency Quiz Set 001

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Question 1

The following question consists of a question followed by two statements labeled I and II. You have to decide whether the data given in the statement (s) is /are sufficient for answering the question.

Balwinder scored an average of 60 marks in English, Mathematics and Computer. How much did he get in Mathematics?

  1. His average score in English and computer is 45.
  2. He got 40 marks in Computers.
 A

if data in statement I alone are sufficient to answer the question while the data in statement II alone are not sufficient to answer the question.

 B

if data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

 C

if data either in statement I alone or in the statement II alone are sufficient to answer the question.

 D

if data even in both the statements together are not sufficient to answer the question.

Soln.
Ans: a

As given in the question, his total marks E + M + C = 180. From statement I, we get E + C = 90. From here his marks of Mathematics are known. Therefore, statement I alone is sufficient to answer the question. Statement II alone is not sufficient because from this C = 40 which can't help us to know the marks of Mathematics.


Question 2

You have to decide whether the data provided in the statements are sufficient to answer the question. Read the statements and give your answer.

What is the average salary of three employees P, Q and R of an organization?

  1. P and Q together earn Rs 60 more than R, and R earns Rs 100.
  2. Q's salary is half of the combined salary of P and R.
 A

if statement I alone is sufficient but statement II alone is not sufficient.

 B

if statement II alone is sufficient but statement I alone is not sufficient.

 C

if both statements I and II together are sufficient but neither of statements alone is sufficient.

 D

if each statement alone is sufficient.

Soln.
Ans: a

From statement I, P + Q = 160 and R = 100. Average salary now can be calculated. Statement II is not sufficient to answer the question.


Question 3

You have to decide whether the data provided in the statements are sufficient to answer the question. Read the statements and give your answer.

B is the brother of D, D is the sister of K, K is the brother of M. How is M related to B?

  1. P is mother of B.
  2. H is husband of P.
 A

if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

 B

if the data in the statement II alone are sufficient to answer the question while the data in statement I alone are not sufficient to answer the question.

 C

if the data either in statement I alone or in statement II alone are sufficient to answer the question.

 D

if the data given in both the statements I and II together are not required to answer the question.

Soln.
Ans: d

The data in the two statements is not required because from the facts given, M and B are children of the same parents, and B is brother of M.


Question 4

The following question contains a question and two statements giving certain information. Decide whether the information given in statements are sufficient for answering the question.

What is the color of the floor tiles in the room?

  1. The floor tiles have the same color as the walls of the hall.
  2. The color of the floor tiles is quite appealing.
 A

if the statement I alone sufficient to answer.

 B

if statement II alone is needed.

 C

if both statements I and II are needed.

 D

if both statements I and II are not sufficient to answer the question.

Soln.
Ans: a

From the statement I alone, question can be answered.


Question 5

You have to decide whether the data provided in the statements are sufficient to answer the question. Read the statements and give your answer.

How long would it take Arjun to complete the work?

  1. Arjun and Sharan together complete the work in 10 days.
  2. Arjun takes 5 days more than Sharan to complete the work.
 A

if statement I alone is sufficient but statement II alone is not sufficient.

 B

if statement II alone is sufficient but statement I alone is not sufficient.

 C

if both statements I and II together are sufficient but neither of statements alone is sufficient.

 D

if each statement alone is sufficient.

Soln.
Ans: c

Using statement I and II together, question can be answered easily.


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This Blog Post/Article "Data Sufficiency Quiz Set 001" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2017-06-22.

Posted by Parveen(Hoven),
Aptitude Trainer


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