One wave costs 2 dollars. How many dollars do 4 waves cost?
8 dollars.
2 x 4 = 8.
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: Medium. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
More math riddles
Omar has 8 sparklers and finds 7 more. How many sparklers does Omar have now?
Eli has 11 fireworks. Ben has twice as many. How many fireworks do they have together?
One seed costs 2 dollars. How many dollars do 6 seeds cost?
Half of the 16 gold coins on the table are taken away. How many gold coins are left on the table?
One parade float costs 5 dollars. How many dollars do 8 parade floats cost?
Kai gets 7 calendars on Monday and 2 calendars on Tuesday, then gives away 5. How many calendars are left?