Two cars start driving toward each other from towns that are 300 miles apart. Car A travels at 60 mph and Car B travels at 40 mph. How many hours will it take for them to meet?
3
Their combined closing speed is 60 + 40 = 100 mph. To cover the 300 miles between them, time = distance / speed = 300 / 100 = 3 hours.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Easy. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
More math riddles
Eli counts butterflies in a pattern: 3, 5, 7, 9. How many butterflies come next?
An antique clock chimes once at 1 o'clock, twice at 2 o'clock, three times at 3 o'clock, and so on. How many total chimes does it make from 1 o'clock to 6 o'clock inclusive?
What is the next number in this sequence: 2, 6, 12, 20, 30, ?
Santa delivers 9 presents on each of 5 streets. How many presents is that?
Max counts squirrels in a pattern: 1, 4, 7, 10. How many squirrels come next?
I have two distinct digits. My tens digit is double my units digit. If you subtract 27 from me, my digits reverse their order. What number am I?

