Home › CAT › Quantitative Aptitude › Time, Speed and Distance › If the parents drove at 40 mph and Christopher w…
If the parents drove at 40 mph and Christopher was 10 mph faster, his speed was:
A60 mph
B30 mph
C50 mph
D45 mph
Answer & Solution
Correct answer: C. 50 mph
1. Add 10 to 40.
2. Christopher drove at 50 mph.
3. He covered 75 miles in 1.5 hours.
_Source: OpenStax Elementary Algebra 2e, Chapter 3, Uniform Motion Applications (CC BY 4.0)._
Related questions
The first step in a distance, rate and time problem, after reading it, is to:Hamilton drove 40 mph in the city and in the desert he drove:Hamilton's rate in the desert was how many times his rate in the city?Hamilton left home at 2:00 pm and entered the desert at 4:30 pm, so he drove in the city fHamilton's trip to Las Vegas from Orange County covers:Katie Mae's home is how far from her school?If Katie Mae walks at 3 mph and bikes 3 mph faster, her biking speed is:Katie Mae is 3 mph faster on her bike than on foot. Her walking speed is: