मराठी

If It is False that 'There is at Least One Octogenarian in the Room', Then Which One of the Following is Probable? - Mathematics

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प्रश्न

Choose the most appropriate option:

If it is false that 'There is at least one octogenarian in the room', then which one of the following is probable? 

पर्याय

  • One person in the room is not an octogenarian.

  • No one in the room is an octogenarian.

  • All those who are in the room are octogenarians.

  • Some people in the room are not octogenarians

MCQ
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उत्तर

No one in the room is an octogenarian.

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

संबंधित प्रश्‍न

Answer the question based on the information given.
A highly cohesive workgroup is a prerequisite for high team performance. Sociologists point out that the association between group cohesion and success is owing to the support individual team members give to one another and their acceptance of the group's goals and activities.
Each of the following, if true, either provides support for or cannot weaken the sociologists' assumption about the relationship between cohesion and success EXCEPT


Identify the statement which cannot be true


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.

Statements:

  1. All mangoes are fruits.
  2. All mangoes are green.
  3. All mangoes are oval-shaped.
  4. All fruits are sweet.
  5. All mangoes are sweet.
  6. All fruits are expensive.

Choose the most appropriate option for the following question.

‘Some of the valuable books are seldom read’, means:


In a lake, there are 10 steps labelled using alphabets from A to J. Starting from step A, every minute a frog jumps to the 4th step from where it started that is from the step A it would go to the step E and from E would go to the step I and from I it would go to C etc. Where would the frog be at the 60th minute if it starts at the step A?


Read the following information carefully and answer the question given below.
Seven film buffs -Aamna, Archana, Aradhana, Anu, Aahana, Anuja, and Aashna - attend a showing of classic movies. Three films are shown, one directed by Satyajit Ray, one by Stanley Kubrick, and one by Steven Spielberg. Each of the film buff see only one of the three films. The films are shown only once, one film at a time.
The following restrictions must apply:

  1. Exactly twice as many of the film buffs see the Stanley Kubrick film as the Satyajit Ray film.
  2. Aamna and Aahana do not see the same film as each other.
  3. Archana and Anu do not see the same film as each other.
  4. Anuja and Aashna see the same film as each other.
  5. Aradhana sees the Stanley Kubrick film.
  6. Aamna sees either the Satyajit Ray film or the Steven Spielberg film.

Each of the following must be false EXCEPT


Given below is a passage followed by a statement about that passage. You must select one of the following answers:
Mediators recognize that the law is generally in place to uphold mediator - client confidentiality, however, there are situations that may occur where the mediator is under obligation to break that confidence. This obligation can vary depending upon where the mediator is practicing and it may occur as a result of their employment contract or of the law. Where such an issue does occur, the mediator is expected to firstly try and discuss the presenting issue with their client; however, in situations where the factors under consideration are particularly urgent, it is accepted that this cannot always be the case.
Legitimate breaches of confidentiality relate to circumstances where the information the client has shared relates to anti-national activities; information of this nature must be reported. There are other circumstances where breaching confidentiality may be considered legitimate, for example, in the case of serious crime or suspected child abuse. Mediation service providers and mediators practicing independently have their own boundaries but must agree with this contractually with their client at the outset of the client - counsel relationship.
Mediators have some flexibility regarding what they deem serious enough to lead them to breach confidentiality.

Vijay claimed that the large dent in the fender of the company-owned vehicle he had borrowed was caused by the careless actions of another motorist, who backed into the car when it was parked in a public garage. Yet Vijay's own car has several dents in its fenders, all of which he acknowledges as having caused by his own careless driving. Therefore, Vijay's contention that the dent in the formerly undented company-owned vehicle was caused by the careless actions of another person is not true.

The reasoning in this argument is vulnerable because of it


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

Statement

  • Should there be a limit on drawing groundwater for irrigation purposes in India?

Arguments

  1. No, irrigation is of prime importance for food production in India and it is heavily dependent on groundwater in many parts of the country.
  2. Yes, water tables have gone down to alarmingly low levels in some parts of the country where irrigation is primarily dependent on groundwater, which may lead to serious environmental consequences.
  3. Yes, India just cannot afford to draw groundwater any further as the international agencies have cautioned India against it.

The question below is given a statement followed by two courses of action. The course of action is a step for administrative decisions to be taken for improvement, follow-up, or further action in regard to the problem, policy, etc. On the basis of the information given in the statement, you have to assume everything in the statement to be true, then decide which of the given suggested courses of action is/are logically worth pursuing.

Statement The committee has criticised the institute for its failure to implement a dozen regular programs despite an increase in the staff strength and not drawing up a firm action plan for studies and researches.

Courses of Action

I. The broad objectives of the institute should be redefined to implement a practical action plan.
II. The institute should give a report on reasons for not having implemented the planned programs.


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