Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Find the next number in the series below.

6 18 270 72090 ?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

Which is heavier: a ton of bricks or a ton of feathers?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Using eight eights and addition only, can you make 1000?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Who always enjoys poor health?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?