Data Sufficiency








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Study Material







Quiz Begins Here

Q #1
⏰ :

Directions: In each question, you are given certain data followed by two statements. For answering the questions:

  • Mark 1. If  statement (a) is insufficient to answer the question.
  • Mark 2. If  statement (b) is insufficient to answer the question.
  • Mark 3. If both the statements together are sufficient to answer the question, but neither statement alone is sufficient.
  • Mark 4. If each statement alone is sufficient to answer the question.
  • Mark 5. If both the statements together are not sufficient to answer the question.

How far is it from town A to Town B? Town C is 12 miles east of Town A.
(a)Town C is south of Town B.
(b)It is 9 miles from Town B to Town C.

Discuss
+

Explanation: It will make a right angle triangle and the hypotenuse =15 will be our answer.

Q #2
⏰ :

Directions: In each question, you are given certain data followed by two statements. For answering the questions:

  • Mark 1. If  statement (a) is insufficient to answer the question.
  • Mark 2. If  statement (b) is insufficient to answer the question.
  • Mark 3. If both the statements together are sufficient to answer the question, but neither statement alone is sufficient.
  • Mark 4. If each statement alone is sufficient to answer the question.
  • Mark 5. If both the statements together are not sufficient to answer the question.

There are 11 terms in an Geometric Progression .The middle term is 10.What is the seventh term?

  1. The smallest term is 2.
  2. The largest term is 20.

Discuss
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Explanation: You can determine the entire G.P. , but you would not be able to say which one is first term and the last term or for that matter any term except the middle term, because you don’t know whether the G.P. is increasing or decreasing.

Q #3
⏰ :

Directions: In each question, you are given certain data followed by two statements. For answering the questions:

  • Mark 1. If  statement (a) is insufficient to answer the question.
  • Mark 2. If  statement (b) is insufficient to answer the question.
  • Mark 3. If both the statements together are sufficient to answer the question, but neither statement alone is sufficient.
  • Mark 4. If each statement alone is sufficient to answer the question.
  • Mark 5. If both the statements together are not sufficient to answer the question.

By how much percentage has the Lateral surface area has increased of a Cylinder?

  1. Radius of the circle has increased by 10 %
  2. Height has increased by 20%

Discuss
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Explanation: Yes you can determine the percent change in the lateral surface area if u know the percent change of radius.

Q #4
⏰ :

Directions: In each question, you are given certain data followed by two statements. For answering the questions:

  • Mark 1. If  statement (a) is insufficient to answer the question.
  • Mark 2. If  statement (b) is insufficient to answer the question.
  • Mark 3. If both the statements together are sufficient to answer the question, but neither statement alone is sufficient.
  • Mark 4. If each statement alone is sufficient to answer the question.
  • Mark 5. If both the statements together are not sufficient to answer the question.

A and B are integers . Is ‘A’ even?

  1. 2A + 3B is even.
  2. 2A – 5B is even.

Discuss
+

Explanation: 2A + 3B is even. It means that anyways 2A has to be even irrespective of A.So 3B has to even to make the result. 3B can be even only if B is even. Hence we can’t say A is even or not. Even + Even = Even .Even – even =Even.

Q #5
⏰ :

Directions: In each question, you are given certain data followed by two statements. For answering the questions:

  • Mark 1. If  statement (a) is insufficient to answer the question.
  • Mark 2. If  statement (b) is insufficient to answer the question.
  • Mark 3. If both the statements together are sufficient to answer the question, but neither statement alone is sufficient.
  • Mark 4. If each statement alone is sufficient to answer the question.
  • Mark 5. If both the statements together are not sufficient to answer the question.

Who is the slowest among P,Q and R ?

  1. Niether Q nor R is so fast as P.
  2. Either P or R is the slowest of the three.

Discuss
+

Explanation: So the first statement says that P is not the slowest and second statement says that either P or R is slowest. Hence R is slowest can be inferred from both the statements together.