Which of the below owl is odd one out?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

What is both possible and impossible at the same time?

Can you divide the below-given shape into four equal and identical pieces?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

How many triangles can you find in this given picture?

Identify The phrase in the picture.

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?