Data Sufficiency questions Practice Question and Answer

Q:

Direction : Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. 

How many students are there is the class?
I. There are more than 22, but less than 36 students in the class.
II. If the students of the class are divided into groups.
III. There are more than 29, but less than 45 students in the class. 

1032 0

  • 1
    Only I and II
    Correct
    Wrong
  • 2
    Only II and either I or III
    Correct
    Wrong
  • 3
    Only II and III
    Correct
    Wrong
  • 4
    All I, II and III
    Correct
    Wrong
  • 5
    Question cannot be answered even with I, II and III
    Correct
    Wrong
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Answer : 2. "Only II and either I or III "

Q:

Direction : Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. 

Who is the daughter-in-law of P?
I.  Q is brother of E. F is wife of G's nephew.
II. X is brother of H. M is son of H. F is mother of M.
III. P is wife of E. E is father of H. E has two children. 

1028 0

  • 1
    Only I and III
    Correct
    Wrong
  • 2
    Only I, II and III
    Correct
    Wrong
  • 3
    Only II and III
    Correct
    Wrong
  • 4
    Question cannot be answered even with I, II and III
    Correct
    Wrong
  • 5
    Only I and II
    Correct
    Wrong
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Answer : 3. "Only II and III "

Q:

Directions: The following questions are accompanied by three statements (A) or (I), (B) or (II), and (C) or (III). You have to determine which statement(s) is/are sufficient/necessary to answer the questions.

What is the inradius of a right-angled triangle?
A. The area of the triangle is known.
B. Any two sides of the triangle are known.
C. The perimeter of the triangle is known.

965 0

  • 1
    B alone is sufficient
    Correct
    Wrong
  • 2
    A and C together are sufficient
    Correct
    Wrong
  • 3
    Any one statement is sufficient
    Correct
    Wrong
  • 4
    Either B alone or A and C together are sufficient
    Correct
    Wrong
  • 5
    All together are necessary
    Correct
    Wrong
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Answer : 4. "Either B alone or A and C together are sufficient"

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Answer : 2. "Any of them"

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Answer : 3. "Both I and II "

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