There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

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?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you count the number of children in the picture below

Solve the counting riddle by identifying the number of triangles in the given picture.

If a wheel has 54 spokes, how many spaces are there between the spokes?

Which point will the car reach to go out?

What's a single-digit number with no value?

What is the largest number you can write with just 3 digits?