Abstract and Logical Reasoning Flashcards

What comes next in the sequence: 2, 4, 8, 16, ___?

Answer: 32

Each term is doubled: 2×2=4, 4×2=8, 8×2=16, 16×2=32.

If all Gardaí wear uniforms, and Seán is a Garda, what can we conclude?

Answer: Seán wears a uniform

This is a syllogism: All Gardaí wear uniforms (major premise) + Seán is a Garda (minor premise) = Seán wears a uniform (conclusion).

Which shape is the odd one out: triangle, square, pentagon, circle?

Answer: Circle

Triangle, square, and pentagon are all polygons with straight sides. A circle has no straight sides or corners.

What is the missing number: 3, 6, 12, ___, 48?

Answer: 24

The sequence doubles each time: 3, 6, 12, 24, 48.

If SHIP is coded as VKLS, how is BOAT coded?

Answer: ERDW

Each letter is shifted 3 places forward: B→E, O→R, A→D, T→W. BOAT = ERDW.

Three boxes weigh 5kg, 8kg, and 11kg. If a fourth box makes the average weight 9kg, what does the fourth box weigh?

Answer: 12kg

Total weight needed = 9 × 4 = 36 kg. Current total = 5+8+11 = 24 kg. Fourth box = 36 − 24 = 12 kg.