Quantitative Aptitude Basics Flashcards
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Read the first 7 Quantitative Aptitude Basics flashcards as text
A train travels 360 miles in 6 hours. What is its average speed in miles per hour?
Answer: 60 mph
Average speed = distance ÷ time = 360 ÷ 6 = 60 mph.
What is 15% of 240?
Answer: 36
15% of 240 = 0.15 × 240 = 36.
If a rectangle has a length of 12 cm and a width of 7 cm, what is its area?
Answer: 84 cm²
Area of a rectangle = length × width = 12 × 7 = 84 cm².
Simplify the ratio 48:36.
Answer: 4:3
GCD of 48 and 36 is 12; dividing both by 12 gives 4:3.
A store marks up a $50 item by 30%. What is the selling price?
Answer: $65
Selling price = $50 + 30% of $50 = $50 + $15 = $65.
What is the least common multiple (LCM) of 8 and 12?
Answer: 24
LCM of 8 and 12 is 24, the smallest number divisible by both.
If 5 workers can complete a job in 12 days, how many days will 10 workers take?
Answer: 6 days
Work is inversely proportional to workers; 10 workers take 5×12÷10 = 6 days.
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