Can you count the number of triangles in the given picture?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

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

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

Can you find out the missing number in the grid?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

What English word has three consecutive double letters?

Find out the missing number in the picture attached:

Which is the smallest number that you can write using all the vowels exactly once?