Data Sufficiency Puzzle Test


 
 
Concept Explanation
 

Data Sufficiency Puzzle Test

Data Sufficiency : this topic tests the knowledge of basic math , facts and skills along with reasoning, analytical, and problem-solving abilities in a candidate. Each data sufficiency item presents you with a question. You do not actually have to find the answer to the problem; instead, your challenge is to decide whether or not the information presented along with the question would be sufficient to allow you to answer the question.

Approach : Solve the questions step by step. First, try to find the answer using information in first statement, then try only second, and finally try combining the information in both.

Direction : In each of the following problems, there is one question and two or three statements are given below the questions. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find which of the statements is/are sufficient to answer the given questions. Choose the correct alternative in each question.

You have to decide whether the data provided in the statements is sufficient to answer the question, and then give your answer accordingly.

  • Only I is sufficient.
  • Only II is sufficient.
  • Both I and II are required.
  • Both I and II are not sufficient.
  • Question 1: Four subjects - Physics, Chemistry, Mathematics and Biology - were taught in four consecutive periods of one hour each starting from 8.00 a.m. At what time was the Chemistry period scheduled ?

  • I. Mathematics period ended at 10.00 a.m., which was preceded by Biology.
  • II. Physics was schedules in the last period
  • III. Mathematics period was immediately followed by Chemistry.
  • (a)  Only I                 (b) Either I only or II only                        (c) Only II               (d)  Only II and III      (e) Only I and either II or III

    Answer : (e) : 

  • From I and II, we conclude that Mathematics period began at 9.00 a.m., Biology period began at 8.00 a.m. and Physics period began at 11 a.m. So, the Chemistry period began at 10.00 a.m.
  • From I and III, we conclude that Mathematics period ended and Chemistry period began at 10.00 a.m.
  • Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    The questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement: are sufficient to answer the question.

    Read both the statements and give answer.

    Question : - Among Monika, Anita, Sonal, Ratna and Tanvy, who came last for the programme?

    I. Monika came after Anita but not after Tanvy.

    II. Ratna came after Tanvy but not after Sonal.

    Right Option : D
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    Explanation
    Question : 2

    The problem below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement: are sufficient to answer the question.

    Read both the statements and give answer.

    Question : - How many speeches were delivered in the two days' programme ?

    I. 18 speakers were invited to give at least one speech, out of which one-sixth of the speakers could not come.

    II. One-third of the speakers gave two speeches each.

    Right Option : D
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    Explanation
    Question : 3

    The questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement: are sufficient to answer the question.

    Read both the statements and give answer.

    Question : - The Chairman of a big company visits one department on Monday of every week except for the Monday of third week of every month. When did he visit the Purchase department?

    I. He visited Accounts department in the second week of September after having visited Purchase department on the earlier occasion.

    II. He had visited Purchase department immediately after visiting Stores department but before visiting Accounts department.

    Right Option : A
    View Explanation
    Explanation
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