Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

Through your logical capabilities, can you make 7 an even?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you find the six hidden animals in the picture below?

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

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

There is something which is always coming but never arrives?

What is always in front of you but can’t be seen?

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