Home › CAT › Quantitative Aptitude › Time and Work › Working together at those rates, Pete and Alicia…
Working together at those rates, Pete and Alicia paint the room in about:
A3 hours 27 minutes
B4 hours 27 minutes
C5 hours 27 minutes
D6 hours 27 minutes
Answer & Solution
Correct answer: B. 4 hours 27 minutes
1. Their combined rate is nine fortieths an hour.
2. Invert it to get forty ninths of an hour.
3. That is about 4 hours 27 minutes.
_Source: OpenStax Elementary Algebra, Chapter 8, Solve Uniform Motion and Work Applications._
Related questions
Those two workers, at that combined rate, finish the whole job in:A worker finishing in 5 hours and another in 20 hours together do what share of the job eaConverting two fifths of an hour into minutes gives:In work problems, the parts of the job done by each worker in one hour add up to:Flying into that same 30 mph wind, the same plane's ground speed would be:A plane's ground speed with a tailwind of 30 mph, if the plane itself flies at 150 mph, isOn that drive, Tony's interstate speed was:Tony drives 4 hours in all, 208 miles on the interstate and 40 on country roads, going 15