GRT Aptitude 3 — Questions and Answers
Question 1: Which number best completes the series: 81, 27, 9, 3, __?
- 1 (Correct answer)
- 2
- 0
- 3
Correct answer: 1
Each term is divided by 3: 3 ÷ 3 = 1.
Question 2: If a job takes 12 workers 8 days, how many days will 16 workers take to complete the same job?
- 4 days
- 5 days
- 6 days (Correct answer)
- 7 days
Correct answer: 6 days
Total worker-days = 12 × 8 = 96; days = 96 ÷ 16 = 6.
Question 3: Choose the word that means the opposite of VERBOSE:
- Talkative
- Concise (Correct answer)
- Eloquent
- Wordy
Correct answer: Concise
Verbose means using too many words; concise means brief and clear.
Question 4: A bag contains 4 red, 6 blue, and 10 green marbles. What is the probability of drawing a blue marble?
- 1/5
- 3/10 (Correct answer)
- 2/5
- 1/3
Correct answer: 3/10
Probability = 6/20 = 3/10.
Question 5: Find the missing number: 7, 14, 21, __, 35
- 25
- 28 (Correct answer)
- 30
- 32
Correct answer: 28
The series increases by 7 each time: 21 + 7 = 28.
Question 6: THERMOMETER is to TEMPERATURE as BAROMETER is to:
- Wind
- Humidity
- Pressure (Correct answer)
- Altitude
Correct answer: Pressure
A thermometer measures temperature; a barometer measures atmospheric pressure.
Question 7: Which figure comes next if shapes alternate between circle and square while increasing in size?
- Small circle
- Large circle (Correct answer)
- Small square
- Large square
Correct answer: Large circle
The pattern alternates circle-square and grows; after a large square comes a large circle.
GRT Aptitude 3
Which number best completes the series: 81, 27, 9, 3, __?