Prove that twice of ten is the same as twice of eleven.

I am the fastest animal but cannot climb the tree. What am I?

Count the Triangle in the figure given below:

The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Can you find out which options fits best with the missing column?

Find the missing number in the sequence below:

Whats the next number in the below number sequence pattern.

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

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