General Quantitative Aptitude Basics 2 — Questions and Answers
Question 1: A train travels 360 miles in 6 hours. What is its average speed in miles per hour?
- 54 mph
- 60 mph (Correct answer)
- 66 mph
- 72 mph
Correct answer: 60 mph
Average speed = distance ÷ time = 360 ÷ 6 = 60 mph.
Question 2: What is 15% of 240?
- 30
- 36 (Correct answer)
- 40
- 48
Correct answer: 36
15% of 240 = 0.15 × 240 = 36.
Question 3: If a rectangle has a length of 12 cm and a width of 7 cm, what is its area?
- 38 cm²
- 72 cm²
- 84 cm² (Correct answer)
- 96 cm²
Correct answer: 84 cm²
Area of a rectangle = length × width = 12 × 7 = 84 cm².
Question 4: Simplify the ratio 48:36.
- 3:2
- 4:3 (Correct answer)
- 6:5
- 8:6
Correct answer: 4:3
GCD of 48 and 36 is 12; dividing both by 12 gives 4:3.
Question 5: A store marks up a $50 item by 30%. What is the selling price?
- $60
- $63
- $65 (Correct answer)
- $80
Correct answer: $65
Selling price = $50 + 30% of $50 = $50 + $15 = $65.
Question 6: What is the least common multiple (LCM) of 8 and 12?
- 16
- 24 (Correct answer)
- 32
- 48
Correct answer: 24
LCM of 8 and 12 is 24, the smallest number divisible by both.
Question 7: If 5 workers can complete a job in 12 days, how many days will 10 workers take?
- 4 days
- 6 days (Correct answer)
- 8 days
- 10 days
Correct answer: 6 days
Work is inversely proportional to workers; 10 workers take 5×12÷10 = 6 days.
A train travels 360 miles in 6 hours.
What is its average speed in miles per hour?