TalentLens Cognitive Ability & Aptitude 5

Question 1

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?

Accepted Answer

7.2 minutes

Answer

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

Question 2

Book : Library as Painting : ___

Accepted Answer

Gallery

Answer

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

Question 3

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

Accepted Answer

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

Answer

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%.

Question 4

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

Accepted Answer

BQQMF

Answer

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

Question 5

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?

Accepted Answer

8 weeks

Answer

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

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