A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

What is next number in the pattern below:

131 517 192 123 ?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Give it food and it will live; give it water and it will die.

Count the number of triangles in the given picture.

What has a ring but no finger?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Solve the rebus riddle in the picture below.

What number comes next in the series?

5 15 5 18 5 24 14 20 _