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Logical

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Directions to Solve
In each of the following questions two statements are given and these statements are followed by two conclusions numbered (I) and (II). You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.
Give answer:

  • (A) If only (I) conclusion follows
  • (B) If sonly (II) conclusion follows
  • (C) If either (I) or (II) follows
  • (D) If neither (I) nor (II) follows and
  • (E) If both (I) and (II) follow.

51 Statements : All the harmoniums are instruments. All the instruments are flutes.

  • Conclusions : All the flutes are instruments.
  • All the harmoniums are flutes.

A
Only (I) conclusion follows
B
Only (II) conclusion follows
C
Either (I) or (II) follows
D
Neither (I) nor (II) follows

52 Statements : Some mangoes are yellow. Some tixo are mangoes.

  • Conclusions : Some mangoes are green.
  • Tixo is a yellow.

A
Only (I) conclusion follows
B
Only (II) conclusion follows
C
Either (I) or (II) follows
D
Neither (I) nor (II) follows

53 Statements:
All the harmoniums are instruments.
All the instruments are flutes.

Conclusions:
(I) All the flutes are instruments.
(II) All the harmoniums are flutes.

A
Only (I) conclusion follows
B
Only (II) conclusion follows
C
Either (I) or (II) follows
D
Neither (I) nor (II) follows

54 Statements : All cups are books. All books are shirts.

  • Conclusions : Some cups are not shirts.
  • Some shirts are cups.

A
Only (I) conclusion follows
B
Only (II) conclusion follows
C
Either (I) or (II) follows
D
Neither (I) nor (II) follows

55 Statements : Some cows are crows. Some crows are elephants.

  • Conclusions : Some cows are elephants.
  • All crows are elephants.

A
Only (I) conclusion follows
B
Only (II) conclusion follows
C
Either (I) or (II) follows
D
Neither (I) nor (II) follows

56 Statements : All the phones are scales. All the scales are calculators.

  • Conclusions : All the calculators are scales.
  • All the phones are calculators
  • All the scales are phones.
  • Some calculators are phones.

A
Only (I) and (IV)
B
Only (III) and (IV)
C
Only (II) and (IV)
D
Only (I) and (II)

57 Statements : Some tables are T.V. Some T.V. are radios.

  • Conclusions : Some tables are radios.
  • Some radios are tables.
  • All the radios are T.V.
  • All the T.V. are tables.

A
Only (II) and (IV)
B
Only (I) and (III)
C
Only (IV)
D
Only (I) and (IV)

58 Statements : All cars are cats. All fans are cats.

  • Conclusions : All cars are fans.
  • Some fans are cars.

A
Only (I) conclusion follows
B
Only (II) conclusion follows
C
Either (I) or (II) follows
D
Neither (I) nor (II) follows

59 Statements : No door is dog. All the dogs are cats.

  • Conclusions : No door is cat.
  • No cat is door.
  • Some cats are dogs.
  • All the cats are dogs.

A
Only (II) and (IV)
B
Only (I) and (III)
C
Only (III) and (IV)
D
Only (III)

60 Statements : All the books are papers. Some papers are journals. Some journals are calendars.

  • Conclusions : Some journals are books.
  • Some calendars are papers.
  • Some books are journals.
  • Some books are calendars.

A
Only (I)
B
Only (II)
C
Only (III)
D
Only (IV)