clean simple math There is a word and six letters it contains.
Take one away and twelve is what remains.
What word is it?
Dozens.
Show me the answer Share riddle math logic simple clever If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?
pi * z * z * a
Show me the answer Share riddle logic math Find three positive whole numbers that have the same answer added together or when multiplied together.
1, 2 & 3.
1 x 2 x 3 = 6 and 1 + 2 + 3 = 6
Show me the answer Share riddle logic math simple clean The digits 0-9(0,1,2,3,4,5,6,7,8,9) can be rearranged into 3628800 distinct 10 digits numbers.
How many of these numbers are prime?
None. The sum of numbers from 0-9(0,1,2,3,4,5,6,7,8,9) is 45 and therefore can be divisible by 3 and 9.
Show me the answer Share riddle logic math simple clean Is half of two plus two equal to two or three?
Three. It seems that it could almost be either, but if you follow the mathematical orders of operation, division is performed before addition. So... half of two is one. Then add two, and the answer is three.
Show me the answer Share riddle clean logic math Would you have more money with a million dollars today or a penny today and double your money every day for 30 days?
Second option. You'll end up with $5,368,709.12. That's the beauty of compound interest.
Show me the answer Share riddle logic math clean clever What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?
100. Looks hard? Don't worry, just work it backwards and you'll find it very easy.
Show me the answer Share riddle logic math Think of a number. Double it. Add ten. Half it. Take away the number you started with. What is your number?
Your number is 5.
Show me the answer Share riddle logic math clean clever simple If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?
You will never reach the door! If you only move half the distance, then you will always have half the distance remaining no matter, how small is the number.
Show me the answer Share riddle logic math tricky simple If you have two coins which total 35 cents and one of the coins is not a dime, what are the two coins?
A quarter and a dime. One coin is not a dime, but the other one is.
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