Basic Ability Test Basic Ability Quantitative Problem Solving 3 — Questions and Answers
Question 1: If 8 workers can complete a job in 6 days, how many days will 12 workers take to finish the same job?
- 4 days (Correct answer)
- 3 days
- 5 days
- 6 days
Correct answer: 4 days
Total work = 8 × 6 = 48 worker-days; 48 / 12 = 4 days.
Question 2: Which of the following fractions is largest?
- 5/6 (Correct answer)
- 7/9
- 3/4
- 11/15
Correct answer: 5/6
Converting to decimals: 5/6 ≈ 0.833, 7/9 ≈ 0.778, 3/4 = 0.75, 11/15 ≈ 0.733; 5/6 is largest.
Question 3: A shopkeeper sells an item at a 20% loss. If the cost price was $150, what was the selling price?
- $120 (Correct answer)
- $130
- $110
- $140
Correct answer: $120
20% of $150 = $30; selling price = $150 − $30 = $120.
Question 4: What is the next number in the sequence: 3, 6, 12, 24, ___?
- 48 (Correct answer)
- 36
- 42
- 30
Correct answer: 48
Each term is doubled: 24 × 2 = 48.
Question 5: If x + 5 = 13, what is 3x?
- 24 (Correct answer)
- 18
- 27
- 21
Correct answer: 24
x = 8; 3 × 8 = 24.
Question 6: A 12-foot ladder leans against a wall. If the base is 6 feet from the wall, how high does the ladder reach?
- 6√3 ft (Correct answer)
- 8 ft
- 10 ft
- 9 ft
Correct answer: 6√3 ft
Height = √(12² − 6²) = √(144 − 36) = √108 = 6√3 ≈ 10.39 ft.
Question 7: A school has 600 students. If 55% are girls, how many boys are there?
- 270 (Correct answer)
- 330
- 280
- 250
Correct answer: 270
Girls = 55% × 600 = 330; boys = 600 − 330 = 270.
Basic Ability Test Basic Ability Quantitative Problem Solving 3
If 8 workers can complete a job in 6 days, how many days will 12 workers take to finish the same job?