PeopleAnswers Cognitive Ability 5

Question 1

Which of the following is the odd one out: 121, 144, 169, 196, 200?

Accepted Answer

200

Answer

121, 144, 169, and 196 are perfect squares (11², 12², 13², 14²); 200 is not a perfect square.

Question 2

If a company's sales increased from $80,000 to $100,000, what was the percentage increase?

Accepted Answer

25%

Answer

Percentage increase = (20,000 ÷ 80,000) × 100 = 25%.

Question 3

Some cats are black. All black things absorb heat well. Which conclusion follows logically?

Accepted Answer

Some cats absorb heat well

Answer

Since some cats are black, and all black things absorb heat well, those specific cats must also absorb heat well.

Question 4

A sequence reads: A, C, F, J, O, ___. What letter comes next?

Accepted Answer

U

Answer

The gaps increase by one letter each time: +2, +3, +4, +5, +6; O + 6 = U.

Question 5

Two workers can complete a job in 6 hours. How long would it take three workers at the same rate?

Accepted Answer

4 hours

Answer

2 workers × 6 hours = 12 worker-hours total; 12 ÷ 3 workers = 4 hours.

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