Data Sufficiency questions Practice Question and Answer

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 rate of interest per annum?
A. The amount becomes Rs 9331.20 in 2 years at compound interest.
B. The difference between CI and SI at the same rate of interest in 2 yrs is Rs 51.20.
C. The amount invested in Rs 8000.

474 0

  • 1
    Only A and B together
    Correct
    Wrong
  • 2
    Only B and C together
    Correct
    Wrong
  • 3
    B and either A or C only
    Correct
    Wrong
  • 4
    C and either A or B only
    Correct
    Wrong
  • 5
    Any two of them
    Correct
    Wrong
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Answer : 4. "C and either A or B only "

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.

474 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 : 3. "Both I and II "

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Answer : 1. "Only I"

Q:

How many children are there between P and Q in a row of children?
Statements:
I. P is fifteenth from the left in the row.
II. Q is exactly in the middle and there are ten children towards his right.

1224 0

  • 1
    I alone is sufficient while II alone is not sufficient
    Correct
    Wrong
  • 2
    II alone is sufficient while I alone is not sufficient
    Correct
    Wrong
  • 3
    Either I or II is sufficient
    Correct
    Wrong
  • 4
    Both I and II are sufficient
    Correct
    Wrong
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Answer : 4. "Both I and II are sufficient"

Q:

Directions:  The table given below presents the number of books on different subjects kept on separate shelves subjects with odd and even numbers are of arts and Science respectively

Find the total number of books of all subjects

646 0

  • 1
    218
    Correct
    Wrong
  • 2
    228
    Correct
    Wrong
  • 3
    238
    Correct
    Wrong
  • 4
    248
    Correct
    Wrong
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Answer : 3. "238"

Q:

Directions:  The table given below presents the number of books on different subjects kept on separate shelves subjects with odd and even numbers are of arts and Science respectively

The number of books of S2 is what percent of number of books of S6?

626 0

  • 1
    82.39%
    Correct
    Wrong
  • 2
    76.31%
    Correct
    Wrong
  • 3
    71.42%
    Correct
    Wrong
  • 4
    67.42%
    Correct
    Wrong
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Answer : 2. "76.31%"

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