Math Riddles

Math Riddles. Plus5000.

When is 1500 plus 20 and 1600 minus 40 the same thing?.

When is 1500 plus 20 and 1600 minus 40 the same thing? Answer Is military time.

What 3 positive numbers give the same result when multiplied and added together?.

What 3 positive numbers give the same result when multiplied and added together? Answer is 1, 2 and 3.

A bat and a ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost?.

The ball costs 5c. Not 10c. One dollar more than 10c is $1.10, $1.10 + 10c is $1.20 One dollar more than 5c is $1.05. The sum of which is $1.10.

When I take five and add six, I get eleven, but when I take six and add seven, I get one. What am I?.

clock.

There are 12 kids in a classroom. 6 kids are wearing socks and 4 are wearing shoes. 3 kids are wearing both. How many are bare feet?.

5 kids are bare feet..

Divide 20 by half and add 30, what do you get?.

70. 20 divided by 1/2 + 30 = 70.

If Mr. Flynn is 90 centimetres plus half his height, how tall is he?.

180 centimetres..

How can you give someone $83 using exactly 7 bills, without using any one dollar bills?.

Give them 1 fifty dollar bill, 1 twenty dollar bill, 1 five dollar bill and 4 two dollar bills..

What number do you get when you multiply all of the numbers on a telephone's number pad?.

Zero. Anything multiplied by 0 will equal 0..

There are two fathers and two sons. They walk into a candy store and each buys a candy bar for 50 cents. The total for all of the candy bars was $1.50. How is that possible?.

There was a grandfather, a father and a son.

Joe has ten coins totaling $1.19. From these coins, he cannot make exact change for a dollar, half­dollar, quarter, dime, or nickel. What are the coins?.

A half­dollar, a quarter, four dimes, and four pennies..

What do mathematics teachers like to eat?.

Pi.

Dean Sam and Castiel are three brothers. Interestingly their current age is prime. What's more interesting that difference between their ages is also prime. How old are they?.

Sam: 2; Dean: 5; Castiel: 7. Age diff 7 ­ 2 = '5' is prime; 7 ­ 5 = '2' is prime; 5 ­ 2 = '3' is prime..

In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half the lake?.

The patch doubles in size every day and so on the 47th day the patch will be half the size it is on the 48th day..

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?.

There is a 50/50 chance of each toss being either heads or tails. The previous toss does not impact the next toss..

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.

How many days are there in 4 years?.

(365 x 4) + 1 = 1461. Because one of the years is a leap year..

The combined age of Jack and John is 49. Jack is twice as old, as John was when Jack was as old as John is now. How old are the brothers?.

Jack is 28 and John is 21..

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?.

It's cheaper to take two friends at the same time. In this case, you would only be buying three tickets, whereas if you take the same friend twice you are buying four tickets..

Three times what number is no larger than two times that same number?.

0.

Thank You !.