What will you call your mother's brother's brother-in-law?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

What can you deduce from the following BrainBat?

CRY
LMKI

Which wheel of car does not rotate when you turn your car right?

Replace the question mark with the correct number.

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

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