Why is Saturday stronger than Monday?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Who always enjoys poor health?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What does below rebus means ?

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

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?