PeopleAnswers Cognitive Ability 5 — Questions and Answers
Question 1: Which of the following is the odd one out: 121, 144, 169, 196, 200?
- 121
- 169
- 196
- 200 (Correct answer)
Correct answer: 200
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?
- 20%
- 25% (Correct answer)
- 30%
- 40%
Correct answer: 25%
Percentage increase = (20,000 ÷ 80,000) × 100 = 25%.
Question 3: Some cats are black. All black things absorb heat well. Which conclusion follows logically?
- All cats absorb heat well
- No cats absorb heat well
- Some cats absorb heat well (Correct answer)
- All heat-absorbing things are cats
Correct answer: Some cats absorb heat well
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?
- T
- U (Correct answer)
- V
- W
Correct answer: U
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?
- 3 hours
- 4 hours (Correct answer)
- 5 hours
- 9 hours
Correct answer: 4 hours
2 workers × 6 hours = 12 worker-hours total; 12 ÷ 3 workers = 4 hours.
Question 6: MUSIC is to EAR as ART is to:
- Brush
- Eye (Correct answer)
- Canvas
- Color
Correct answer: Eye
Music is perceived through the ear; art is perceived through the eye.
Question 7: In a group of 50 people, 30 speak Spanish, 20 speak French, and 10 speak both. How many speak neither?
- 5
- 8
- 10 (Correct answer)
- 15
Correct answer: 10
Using inclusion-exclusion: 30 + 20 − 10 = 40 speak at least one language; 50 − 40 = 10 speak neither.
PeopleAnswers Cognitive Ability 5
Which of the following is the odd one out: 121, 144, 169, 196, 200?