A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?
Using Only Five 5's and any mathematical operator make sum as 37
What is next number in the pattern below: 131 517 192 123 ?
How many triangles are there on the puzzle below?
I am an odd number. Take away a letter and I become even. What number am I?
What number divided by 4 is the same as that number minus 4?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
Can you solve below mathematical equation? 2^1234 - 2^1233
Find out the missing number in the picture attached:
Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?
A number can be multiplied by multiple of nine i.e 9 18 27 36 45 ... and the resulting number consist of only one digit. Can you identify the number ?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.