I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Why is the Hole below a Lock?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

You need to remove two matchsticks to make the below equation true. Can you do it ?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

Can you count the number of lines in the below picture?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?