AMCAT Logical Reasoning

Question 1

In a series: 2, 6, 12, 20, 30, __. What comes next?

Accepted Answer

42

Answer

The differences are 4, 6, 8, 10, 12 — so next term = 30 + 12 = 42.

Question 2

All roses are flowers. Some flowers are red. Which conclusion is definitely true?

Accepted Answer

Some flowers are roses

Answer

Since all roses are flowers, it is definite that some flowers are roses.

Question 3

If PENCIL is coded as RGPEKN, how is MANGO coded?

Accepted Answer

OCPIQ

Answer

Each letter is shifted forward by 2 positions: M→O, A→C, N→P, G→I, O→Q = OCPIQ.

Question 4

Pointing to a photograph, a man says 'She is the daughter of my grandfather's only son.' How is the woman related to the man?

Accepted Answer

Sister

Answer

Grandfather's only son is the man's father, so the daughter of his father is his sister.

Question 5

Which number is the odd one out: 3, 5, 7, 9, 11, 13?

Accepted Answer

9

Answer

9 is the only composite number (3×3) in the list; all others are prime.

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