## What three numbers

- Read more about What three numbers
- Log in or register to post comments

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

The best math riddles out there can be found on Riddles For Us.

- Read more about What three numbers
- Log in or register to post comments

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Answer

Score visitors

- Read more about Date Significance
- Log in or register to post comments

What is significant about 3661 seconds past midnight on 1st January 2001?

Answer

Score visitors

- Read more about Melons
- Log in or register to post comments

Farmer Brown came to town with some watermelons. He sold half of them plus half a melon, and found that he had one whole melon left. How many melons did he take to town?

Answer

Score visitors

- Read more about Inheritance
- Log in or register to post comments

Old Granny Adams left half her money to her granddaughter and half that amount to her grandson. She left a sixth to her brother, and the remainder, $1,000, to the dogs’ home. How much did she leave altogether?

Answer

Score visitors

- Read more about Lunch money
- Log in or register to post comments

John noticed that the amount he was paying for his lunch was a rearrangement of the digits of the amount of money he had in his pocket, and that the money he had left over was yet another rearrangement of the same three digits! How much money did John start with?

Answer

Score visitors

- Read more about Seven times
- Log in or register to post comments

What is the smallest whole number that is equal to seven times the sum of its digits?

Answer

Score visitors

- Read more about Apple harvest
- Log in or register to post comments

Mrs. Jones was very proud of her apple tree. One autumn, after harvesting her apples, she called her three sons together. "Here are 150 apples," she said. "I want you to take them to the market tomorrow and sell them for me." She gave Paul 15 apples, Nick 50, and Ben 85. "Your job," added Mrs. Jones, "is to sell the apples in such a way that each of you brings home the same amount of money." How do they do it?

Answer

Score visitors

- Read more about Two by two
- Log in or register to post comments

You know 2 + 2 comes to the same as 2 x 2. Now find a set of three different whole numbers whose sum is equal to their total when multiplied.

Answer

Score visitors

- Read more about Knight moves
- Log in or register to post comments

I have a calculator that can display ten digits. How many different ten-digit numbers can I type using just the 0-9 keys once each, and moving from one keypress to the next using the knight’s move in chess? (In chess, the knight move in an L-shape – one square up and two across, two squares down and one across, two squares up and one across, and other like combinations)

Answer

Score visitors

- Read more about Card riddle
- Log in or register to post comments

A small number of cards has been lost from a complete pack. If I deal among four people, three cards remain. If I deal among three people, two remain and if I deal among five people, two cards remain. How many cards are there?

Answer

Score visitors