Logical Reasoning

 

Logical Reasoning

 

1.    Statement: Should taxes on colour television be further increased? Arguments:

I. Yes, Colour television is a luxury item and only rich people buy them.

II No, Televisions are bought by the poor too.

1. Only argument I is strong

2. Only argument II is strong

3. Either I or II is strong

4. Neither I nor II is strong

5. Both I and II are strong

2.    Statement: Should an organization like UNO be dissolved?

Arguments:

I.                Yes. With cold war coming to an end, such organizations have no role to play

II. No, In the absence of such organizations there may be a world war.

1. Only argument I is strong

2.Only argument II is strong

3. Either I or II is strong

4.Neither I nor II is strong

5. Both I and II are strong

 

3.    REASON: SFBTPO:: THINK : ?  1) SGHMJ   2) UIJOL    3) UHNKI       4) UJKPM

4.    ACCE : EGGI ::  IKKM : ?  1) MOOQ   2) NOOP   3) MPPQ   4) NPPR

 

5.    SELECTION  :QCJCARGML::  AMERICANS:  ?

(1) YKCPGAYLQ (2) BNFSJDBMR (3) QLYAGPCKY (4) YQKLCYPAG

 

6.    If MOHAN : KMFYL  :: COUNT : ? 1) AMSLR  2)MSLAR  3)MASRL  4)SAMLR.

 

7.    MATHURA : JXQEROX :: HOTELS : ? 1)LEQIBP  2)ELQBIP 3)ELQGID 4)ELIPQB

 

8.    If the proposition ‘All thieves are poor’ is false, which of the following propositions can be claimed certainly to be true?
Propositions:
(1) Some thieves are poor. (2) Some thieves are not poor.  (3) No thief is poor.
(4) No poor person is a thief.

 

9.    Given below are two premises and four conclusions drawn from those premises. Select the code that expresses conclusion drawn validly from the premises (separately or jointly).

Premises:  (a) All dogs are mammals. (b) No cats are dogs                                                                                              Conclusions:  i) No cats are mammals. ii) Some cats are mammals. iii) No dogs are   cats iv) No dogs are non-mammals.                                                                                                                                         Codes: 1) (i) only  2) (i) and (ii)  3) (iii) and (iv)  4) (ii) and (iii)

 

10. Among the following statements two are contradictory to each other. Select the correct code that represents them:

Statements:  i) All poets are philosophers.                   ii) Some poets are philosophers.  iii) Some poets are not philosophers.      iv) No philosopher is a poet.                                                                                                                                                       Codes:  1) i and ii   2) i and iv    3) i and iii        4) ii and iii

 

11. Current is related to Ampere in the same way as Weight is related to

1.    Measurement 2. Commodity 3. Pound 4. Scale 5. None of these

12. Love : Hate : : Create : ? (a) Make (b) Renovate (c) Destroy (d) Building Solution.

13. Letter: Word ::  ?  1) Page: Book 2) Product: Factory 3) Club: People 4) Home work: School

14.  Sailor: Ship : : Lawyer : ? (a) Legal (b) Law (c) Court (d) Ruling ‘Sailor’

15.  Cloth: Mill :: Newspaper : ?   1) Editor        2) Reader       3) Paper       4) Press

 

16. In each of the following questions, select the related word from the given alternatives. Book : Publisher : : Film ; ? (a)Writer (b) Editor (c) Director (d) Producer

 

17. Superiority of intellect depends upon its power of concentration on one theme in the same way as a concave mirror collects all the rays that strike upon it into one point. (1) Mathematical (2) Psychological (3) Analogical (4) Deductive

18. If we want to seek new knowledge of facts about the world, we must rely on reason of the type: 1) Inductive (2) Deductive (3) Demonstrative (4) Physiological

19. A deductive argument is invalid if: (1) Its premises and conclusions are all false 2) Its premises are true but its conclusion is false 3) Its premises and conclusions are all true  4) None of the Above

20. If proposition ‘some milk is curd’ is taken to be true, then which of the following propositions can be false? (1) No milk is curd. (2) some curd is not milk . (3) Some curd is milk. (4) Some milk is not curd.

21. The proposition ‘Some trees are green’ is equivalent to which of the following propositions? (a) Many trees are green. (b) Some green things are trees. (c) Some green things are not non-trees. (d) Trees are usually green.

Select the correct answer from the options given below:

(1) (a), (b), (c) and (d) (2) (b) and (d) (3) (a) only (4) (c) and (d)

22. Identify the reasoning in the following arguments: ‘A pilot without flight plans is like an artist without paints. (1) Analogical (2) Deductive (3) Inductive (4) Hypothetical

23. Assertion (A): Media entertainment does not enhance the cultural level of society.

Reason (R): Most media entertainment encourages escapism, not content quality. Choose the correct answer from the options given below:

(1) Both (A) and (R) are true, and (R) is the correct explanation of (A)

(2) Both (A) and (R) are true, but (R) is not the correct explanation of (A) (3) (A) is true, but (R) is false

(4) (A) is false, but (R) is true

24. Given below are two premises with four conclusions drawn from them. Which of the following conclusions could be validly drawn from the premises? Premises: (i) All cats are dogs. (ii) All dogs are cows.

 

Conclusions: (a) All cats are cows. (b) Some cows are cats. (c) All dogs are cats. (d) No cow is dog.

Select the correct answer from the options given below: (1) (b), (c) and (d) (2) (d) only (3) (a) and (b) (4) (b) and (d)

 

25. In a certain code CLOUD is written as DUOLC and RAIN is coded as NIAR then how SKY will write on the same code? 1)KYS 2) YKS 3) YSK 4) SYK

26. If the proposition “All men are not mortal” is true then which of the following inferences is correct? choose from the code given below:

1.“All men are mortal” is true. 2.“some men are mortal” is false. 3.“No men are mortal “is doubtful. 4.“All men are mortal” is false.

 

    Codes:   (1)1,2 and 3  (2) 2,3 and 4  (3) 1,3 and 4  (4) 1 and 3

27. If the statement ‘most of the students are obedient’ is taken to be true, which one of the following pair of statements can be claimed to be true?

 

I.                All obedient persons are students. II. All students are obedient. III. Some students are obedient. IV. Some students are not disobedient.

 

Codes: 1) I and II  2) II and III   3) III and IV    4) II and IV

28. . Among the following propositions two are related in such a way that one is the denial of the other. Which are those propositions? Select the correct code

Propositions :(a) All women are equal to men (b) Some women are equal to men (c) Some women are not equal to men   (d) No women are equal to men

Codes :  (1) (a) and (b)  (2) (a) and (d)   (3) (c) and (d)   (4) (a) and (c)

29. Statement: Should India become a permanent member of the UN’s Security Council?   

Arguments:

       I.Yes. India has emerged as a country which loves peace and amity.

      II.No. Let us first solve the problems of our people like poverty

                 malnutrition.

    1. Only argument I is strong

   2. Only argument II is strong

  3. Either I or II is strong

  4. Neither I nor II is strong

 5. Both I and II are strong

30. Statements: The government has spoiled many top-ranking financial institutions by appointing bureaucrats as Directors of these institutions.

     Conclusions:

I.                The government should appoint Directors of the financial institutes taking  into consideration the expertise of the person in the area of finance.

II.             The Director of the financial institutions should have expertise

  commensurate with the financial work carried out by the institute.

    1. Only conclusion I follows

    2. Only conclusion II follows

  3. Either I or II follows

  4. Neither I nor II follows

  5. Both I and II follow