Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true. * * x * ===== * * *
Can you think of any three-dimensional shape that comprises of exactly two surfaces?
Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3. (You can use one number only once)
Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.
Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?
What is next number in the pattern below: 131 517 192 123 ?
A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?
All of Jacob's shoes are red except two. All of Jacob's shoes are green except two. All of Jacob's shoes are yellow except two. How many shoes does Jacob have?
Find three whole, positive numbers that have the same answer when multiplied together as when added together.
Find the number of squares in the below-given picture.
How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.