What happened when the wheel was invented?

Who are the happiest people in IPL match?

O_er_t_o_

Complete the missing letters of the given word.

Be active and find the killer in the picture Riddle below.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

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?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Find the next number in the series below

21 32 54 87 131 ?

How many times can you subtract the number two from the number fifty?