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Home ‣ Verbal Reasoning ‣ Venn Diagrams See What Others Are Saying!
  • Question

  • In a class, there are 80 students who study both Computer Science and Electronics. While 100 students study Computer Science, 120 students study Electronics. How many of them study Computer Science only?


  • Options
  • A. 100
  • B. 40
  • C. 180
  • D. 20

  • Correct Answer
  • 20 

    Explanation

    According to above given question , we can say that
    There are 100 students in Computer Science which include students of electronics too.
    Numbers of students who study both Computer Science and Electronics = 80
    ? Number of students opting for Computer Science only = 100 ? 80 = 20
    Therefore , 20 students study Computer Science only .

    • More questions

    • 1. 
      Statement:
      Should students be allowed to work while they are studying?
      Arguments:
      I. Yes. Economic background of every individual does not allow them to pursue education; such allowing therefore makes it feasible to fulfil one 's dream.
      II. Yes. Vocational education plays an important role to make a person self-sufficient. Besides, this practical knowledge becomes necessary to make studies meaningful.

    • Options
    • A. if only argument I is strong.
    • B. if only argument II is strong.
    • C. If either I or II is strong.
    • D. If neither I nor II is strong
      • Discuss
    • 2. 
      Statement:
      The Law Commission of India has called for sweeping changes in life insurance laws not only to promote insurance business in the country but also to protect policy holders from hassles in claiming settlements.
      Assumption
      I.The interests of policy holders had not been entirely satisfied particularly in the area of claims settlement.
      II. Sweeping changes in life insurance laws are possible.

    • Options
    • A. if only assumption I is implicit.
    • B. if only assumption II is implicit.
    • C. if either I or II is implicit.
    • D. if neither I nor II is implicit.
      • Discuss
    • 3. 
      Statement
      Fashion is a form of ugliness, so is tolerable that we have to alter it every six months.
      conclusion
      I. Fashion designers do not understand people's mind very well.
      II. People by and large are highly susceptible to novelty.

    • Options
    • A. if only Conclusion I follows
    • B. if only Conclusion II follows
    • C. if either I or II follows
    • D. if neither I nor II follow
      • Discuss
    • 4. 
      Statement:
      Should government doctors be brought within the purview of the Consumer Protection Act?
      Arguments:
      I. No, any such will endanger the life of the patient because it will impose some hindrances to the doctors in some cases in which patients are in critical condition.
      II. Yes, a patient invests money in improving his/her health. He/she has full right to get required service form doctors and if he/she incurs any loss then for compensation it is necessary to bring the doctors within the purview of the Consumer Protection Act.

    • Options
    • A. if only argument I is strong.
    • B. if only argument II is strong.
    • C. If either I or II is strong.
    • D. If neither I nor II is strong; and
      • Discuss
    • 5. A number of friends decided to go on a picnic and planned to spend Rs. 96 on eatables. Four of them, however, did not turn up. As a consequence, the remaining ones had to contribute Rs. 4 each extra. The number of those who attended the picnic was

    • Options
    • A. 8
    • B. 12
    • C. 16
    • D. 24
      • Discuss
    • 6. Statements:

      1. The literacy rate in the district has been increasing for the last four years.
      2. The district administration has conducted extensive training programme for the workers involved in the literacy drive.


    • Options
    • A. Statement I is the cause and statement II is its effect.
    • B. Statement II is the cause and statement I is its effect.
    • C. Both the statements I and II are independent causes.
    • D. Both the statements I and II are effects of independent causes.
    • E. Both the statements I and II are effects of some common cause.
      • Discuss
    • 7. a _ ba _ b _ b _ a _ b

    • Options
    • A. abaab
    • B. abbab
    • C. aabba
    • D. bbabb
      • Discuss
    • 8. Mr. Johnson was to earn £ 300 and a free holiday for seven weeks' work. He worked for only 4 weeks and earned £ 30 and a free holiday. What was the value of the holiday?

    • Options
    • A. £ 300
    • B. £ 330
    • C. £ 360
    • D. £ 420
      • Discuss
    • 9. Find the odd one out:

    • Options
    • A. Langur
    • B. Whale
    • C. Scarab
    • D. Donkey
      • Discuss
    • 10. In a class, 3/5 of the students are girls and rest are boys. If 2/9 of the girls and 1/4 of the boys are absent, what part of the total number of students is present?

    • Options
    • A. 17/25
    • B. 18/49
    • C. 23/30
    • D. 23/36
      • Discuss

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