Quantitative Aptitude

Data Sufficiency 3

Quantitative Aptitude Exercise Mode

Data Sufficiency 3

Practice and master this topic with our carefully crafted questions.

3 Questions
5 Minutes
0% Completed
QUEST ? ✓ !
Directions to Solve

Each of these questions is followed by three statements. You have to study the question and all the three statements given to decide whether any information provided in the statement(s) is redundant and can be dispensed with while answering the given question.

Question 1
If P x R - Q, which of the following is true?

A
P is the brother of Q
B
P is brother-n-law of Q
C
P is the uncle of Q
D
P is the father of Q
Correct Answer: Option B

P x R - Q means P is the brother of R who is the wife of Q.

Question 2
What is the difference between the present ages of Ayush and Deepak? 

I. The ratio between Ayush's present age and his age after 8 years 4 : 5. 

II. The ratio between the present ages of Ayush and Deepak is 4 : 3. 

III. The ratio between Deepak's present age and his age four years ago is 6 : 5.

A
Any two of I, II and III
B
I or III only
C
Any one of the three
D
All I, II and III are required
E
Even with all I, II and III, the answer cannot be obtained.
Correct Answer: Option A

Clearly, any two of the given statements will give the answer and in each case, the third is redundant.

Question 3
What will be the ratio between ages of Sam and Albert after 5 years? 

I. Sam's present age is more than Albert's present age by 4 years. 

II. Albert's present age is 20 years. 

III. The ratio of Albert's present age to Sam's present age is 5 : 6.

A
Any two of I, II and III
B
II only
C
III only
D
I or III only
E
II or III only
Correct Answer: Option A

Clearly, any two of the given statements will give the answer and in each case, the third is redundant.

Correct answer is (A).