Data Sufficiency

Logical Reasoning Questions based on Data Sufficiency can be tried upon in this question and answers. Attempt all of them to know if you understand it's basic concept.This section is very useful for those who are preparing for competitive exams such as Written test of Bank Exams, CAT Exams, Railway Exams, SSC, UPSC,Banking,Insurance, Defence and many more.

  • Q1. Are all the four friends Viz. W, X, Y and Z who are sitting around a circular table, facing the centre?
    I. X sits second to the right of Z. Z faces the centre. Y sits to immediate right of both X and Z.
    II. W sits to immediate left of x. Y is not an immediate neighbour of W. Y sits to immediate right of Z.
    III. Z is an immediate neighbour of both W and Y. X sits to the immediate left of W. Y sits to the immediate right of X.

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  • Q2.Who is the daughter in law of B?
    I. I is the brother of D. S is the wife of J’s nephew.
    II. R is the brother of N. T is the son of N. S is the mother of T.
    III. B is the wife of D. D is the father of N. D has two children.

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  • Q3. What is the code for ‘blanket’ in a code language?
    I. ‘Use the blanket’ is written as ‘nik ta re’ in the code language.
    II. ‘Blanket is black’ is written as ‘pe da ta’.
    III. ‘Always use blanket’ is written as ‘ma re ta’.

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  • Q4.Directions : Each of the question given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements
    In which direction is Sonal walking?
    I. Sonal walked 15 kms from the starting point and took a left turn.
    II. She is walking towards north before taking a left turn.

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  • Q5. Direction: In each question there are two statements I and II, you have to select the correct answer depending upon the sufficiency of data given in the statements to answer the question.
    A survey was done among 100 people to find the number of people who can drive both motorbike and car. What can be the maximum number of people who could drive both motorbike and car?
    Statements: (i) 60 people can ride motorbike only while 30 people can drive car only.
    (ii) 50 people can ride motorbike only while 40 people can drive a car.

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  • Q6. Direction: In each question there are two statements I and II, you have to select the correct answer depending upon the sufficiency of data given in the statements to answer the question.
    How many Art galleries are there in the state?
    Statements: There is exactly one art gallery in every 2km2 area.
    (ii) In each of the 12 districts of the state there are 2 art galleries.

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  • Q7.Statement: “The Company should promote their employees on the basis of performance alone and not on the basis of length of service of an employee in that particular company”.
    Assumptions:
    I. The seniority of a person in a company is not a parameter to measure the performance of an employee.
    II. Measuring the merit of the employees of the company is possible.
    Choose the answer from the options given below:

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