A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

What is wrong in the below Picture?

If 1+9+8=1, what is 2+8+9?

What is always in front of you but can’t be seen?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Buy me, smell me or deliver me, I do not change.

Who am I?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

How many words can a pen with half refill write?