Practice MCQ Questions and Answer on Syllogisms

51. Statements :

All the books are pencils. No pencil is eraser.

Conclusions :
I. All the pencils are books.
II. Some erasers are books.
III. No book is eraser.
IV. Some books are erasers.

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

52. Statements :

All men are vertebrates. Some mammals are vertebrates.

Conclusions :
I. All men are mammals.
II. All mammals are men.
III. Some vertebrates are mammals.
IV. All vertebrates are men.

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

53. Statements :

All the phones are scales. All the scales are calculators.

Conclusions :
I. All the calculators are scales.
II. All the phones are calculators
III. All the scales are phones.
IV. Some calculators are phones.

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