Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

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?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Why do Chinese men eat more rice than Japanese men do ?

Why is 6 afraid of 7?

Prove that the below maths equation is true.

8 + 8 = 91

Using Only Five 5's and any mathematical operator make sum as 37