Cognitive Ability & Aptitude Flashcards

A tank fills in 12 minutes with pipe A and in 18 minutes with pipe B. How long to fill it using both pipes together?

Answer: 7.2 minutes

Combined rate = 1/12 + 1/18 = 5/36; time = 36/5 = 7.2 minutes.

Book : Library as Painting : ___

Answer: Gallery

Books are housed and displayed in libraries; paintings are housed and displayed in galleries.

Which of the following sequences is correctly ordered from smallest to largest?

Answer: 1/3, 3/8, 0.4, 45%

1/3≈0.333, 3/8=0.375, 0.4=0.400, 45%=0.450 — so the correct order is 1/3, 3/8, 0.4, 45%.

If MANGO is coded as NBNHP, how is APPLE coded?

Answer: BQQMF

Each letter is shifted forward by 1 in the alphabet: A→B, P→Q, P→Q, L→M, E→F = BQQMF.

A project requires 8 people working 5 days per week for 6 weeks. If only 6 people are available, how many weeks will it take?

Answer: 8 weeks

Total person-days = 8 × 5 × 6 = 240; weeks needed = 240 / (6 × 5) = 8 weeks.

Which statement best describes inductive reasoning?

Answer: Forming general conclusions from specific observations

Inductive reasoning moves from specific observed cases to a broader general conclusion.

Find the missing number: 81, 27, 9, 3, ___

Answer: 1

Each term is divided by 3; 3 ÷ 3 = 1.