English

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

Advertisements
Advertisements

Question

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? 

Options

  • 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

Solution

No one in the room is an octogenarian.

shaalaa.com
Analytical and Logical Reseasoning
  Is there an error in this question or solution?
2015-2016 (May) Set 1

RELATED QUESTIONS

Read the following information for a question and chose the most appropriate option: 

P and Q are good at driving the Motorcycle and Jeep. R and P are good at driving Jeep and Lorry. R, S, and T are good at driving Motor Cycle and Lorry. T and R are good at driving buses and Tempo. S and Q are good at driving Bus and Jeep. 

Who is good at driving Tempo, Motor Cycle, Lorry but not Jeep? 


In a bag, there are some gold coins. In another bag, there are 1/3rd extra gold coins as compared to the first bag. If the difference in the number of gold coins in the first and second bag is 5, then how many coins are there in the first bag? 


Instructions for Question: Read the information given below to answer the question.

(i) Mohan‘s reading schedule consists of reading only subject on a given day of the week.  

(ii) The subjects are Physics, Chemistry, Mathematics, Biology, and Social Science.

(iii) Monday to Saturday are reading days including one day only for play. Sunday is a complete holiday for Mohan.  

(iv) Mathematics day is neither on the first day nor on the last day but earlier than the Chemistry day.

(v) Biology day is on the immediate next day of Chemistry day.

(vi) Physics day is on the immediate previous day of the play day. (vii) Biology day and Social Science day have a gap of two days between them.

(viii) Social Science day is on the immediate next day of the play day.

Which of the following day is the play day? 


Instructions for Question: Read the information given below to answer the question.

(i) Mohan‘s reading schedule consists of reading only subject on a given day of the week.  

(ii) The subjects are Physics, Chemistry, Mathematics, Biology, and Social Science.

(iii) Monday to Saturday are reading days including one day only for play. Sunday is a complete holiday for Mohan.  

(iv) Mathematics day is neither on the first day nor on the last day but earlier than the Chemistry day.

(v) Biology day is on the immediate next day of Chemistry day.

(vi) Physics day is on the immediate previous day of the play day. (vii) Biology day and Social Science day have a gap of two days between them.

(viii) Social Science day is on the immediate next day of the play day. 

Which day is Social Science day? 


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 frogs are amphibians.
  2. All amphibians are not frogs.
  3. AII amphibians are cold-blooded.
  4. AII frogs lay eggs.
  5. All amphibians lay eggs.
  6. Frogs are cold-blooded.

Choose the most appropriate option for the following question.

Vaishnavi prefers Economics to Maths, English to Social science, and Political Science to History. If she prefers Maths to History, and Social science to Maths, which is Vaishnavi’s least preferred subject?


Peacock: India :: Bear : ?


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.

If exactly one film buff sees the Steven Spielberg film, then which one of the following must be true?


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 could be a complete and accurate list of the film buffs who see the Satyajit Ray film EXCEPT


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.

Whenever Vijay reads late into the night, his grandfather reprimands him.

  1. His grandfather does not reprimand Vijay.
  2. Vijay reads late into the night.
  3. Vijay reads early in the morning.
  4. Vijay's grandfather reprimands him in the morning.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×