Math Riddles - Page 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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Two coins make 30¢ and one of them is not a nickel.
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Which is heavier? A thousand lbs. of feathers or a 1000 lbs. of feathers.
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