मराठी

Identify the Statement Which Cannot Be True - Mathematics

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प्रश्न

Identify the statement which cannot be true

पर्याय

  • Snow is white.

  • Black body radiation is a physical phenomenon.

  • Every natural number has a successor.

  • All bachelors are faithful to their wives.

MCQ
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उत्तर

All bachelors are faithful to their wives.

shaalaa.com
Analytical and Logical Reseasoning
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2015-2016 (May) Set 1

संबंधित प्रश्‍न

Choose the best option that correctly classifies the four sentences as a :

F: Fact: if it relates to a known matter of direct observation, or an existing reality or something known to be true
J: Judgment: If it is an opinion or estimate or anticipation of common sense or intention.
I: Inference: If it is a logical conclusion or deduction about something based:I on the knowledge of facts.

A. Everyday social life is impossible without interpersonal relationships.

B. The root of many misunderstandings has been cited in poor relations individuals.

C. Assuming the above to be true. social life will be much better if people understand the importance of good interpersonal relations.

D. A study reveals that interpersonal relations and hence life, in general, can be improved with a little effort on the part of individuals.


In a bag, there are some diamonds. In another bag, there is one fourth the number more than the number of diamonds in the first bag. If the difference in the number of diamonds in the first and second bag is 3, how many diamonds are there in the first bag?


The question contains six statements followed by four sets of combinations of three. Choose the set, which gives the most logical triad. i.e. the third statement mentioned should be a conclusion drawn from the first two statements.

  1. X and Y are siblings.
  2. X and Y do not quarrel.
  3. Siblings are known to quarrel often.
  4. X and Y quarrel often.
  5. All those who quarrel are siblings.
  6. X and Y cannot be siblings.

Read the following information carefully and choose the appropriate option in the questions given below:

i. There is a group of five persons – A, B, C, D and E.

ii. One of them is a Singer, one is a Dancer, one is a Painter, one is a teacher and one is a Doctor.

iii. Three of them – A, C and Doctor prefer rice to chapatti and two of them – B and the Painter prefer chapatti to rice.

iv. The Teacher, D and A are friends to one another but two of these prefer chapatti to rice.

v. The Singer is C’s brother.

Who is a Teacher?


Read the following information carefully and choose the appropriate option in the questions given below:

i. There is a group of five persons – A, B, C, D and E.

ii. One of them is a Singer, one is a Dancer, one is a Painter, one is a teacher and one is a Doctor.

iii. Three of them – A, C and Doctor prefer rice to chapatti and two of them – B and the Painter prefer chapatti to rice.

iv. The Teacher, D and A are friends to one another but two of these prefer chapatti to rice.

v. The Singer is C’s brother.

Who is a Singer?


Solve the following question and mark the most appropriate option.
In a family of six, there are three men A, B, and C, and three women R, S, and T. The six persons are Architect, Lawyer, CA, Professor, Doctor, and an Engineer by profession but not in the same order. There are two married couples and two unmarried persons. C is not R's husband. The Doctor is married to a Lawyer. R's grandfather is a Professor. Bis neither A's son nor he is an Architect or a Professor. The Lawyer is T's daughter-in-law. C is T's son and the Engineer's father. A is married to the CA.
Which among the following is the correct pair of married couples?


In making a decision about an important question, it is desirable to distinguish between a 'strong' argument and a 'weak' argument. A 'strong' argument must be both important and directly related to the question. A 'weak' argument may not be directly related to the question and may be of minor importance or may be related to the trivial aspect of the question. The question below is followed by two arguments numbered I and II. You have to decide which of the arguments is 'strong' and which is 'weak'.

Statement

  • Should English be the medium of instruction for higher education in India?

Arguments

  1. Yes, even in advanced countries like the UK and the USA, the medium of instruction is English for higher education.
  2. Yes, English is a much widely spoken language in the world today.

Information that is published is part of the public record. But the information that a reporter collects, and sources that he contacts, must be protected in order for our free press to function free of fear.

The above argument is most severely weakened by which one of the following statements?


Some people fear that our first extra-terrestrial visitors will not be the friendly aliens envisaged in popular science fiction movies, but rather hostile invaders bent on global domination. This fear is groundless. Any alien civilization that makes it to our planet must have acquired the wisdom to control war, or it would have destroyed itself long before contacting us.
The author bases the argument above on which of the following assumptions?


The question has a main statement, followed by four statements labeled I, II, III, and IV. Choose the ordered pair of statements, where the first statement implies the second, and the two statements are logical with the main statement.

Every player will become a champ.

  1. Rajesh is a player.
  2. Rajesh will become champ.
  3. Rajesh is not a player.
  4. Rajesh will not become a champ.

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