Math Riddles - Page 6

DownUp +34

What is the difference between a new penny and an old quarter?
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DownUp +24

How is the moon like a dollar?
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DownUp +32

Why should you never mention the number 288 in front of anyone?
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DownUp +18

I am the owner of a pet store. If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?
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DownUp +26

A large truck is crossing a bridge 1 mile long. The bridge can only hold 14000 lbs, which is the exact weight of the truck. The truck makes it half way across the bridge and stops. A bird lands on the truck. Does the bridge collapse? Give a reason.
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DownUp +40

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?
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DownUp +17

If you get 1 penny the 1st day, 2 pennies the 2nd day, 4 pennies the 3rd day and so on. If you keep doubling the amount of pennies you get every day, how much money would you have by the end of the month?
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DownUp +10

Two coins make 30¢ and one of them is not a nickel.
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DownUp +25

Which is heavier? A thousand lbs. of feathers or a 1000 lbs. of feathers.
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