What four weights can be used to balance from 1 to 30 pounds?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

John bought a new car. He has a habit of eating ice cream from a particular ice cream shop while returning home from office. Whenever, he eats strawberry ice cream, he faces no problem. But whenever, he eats chocolate ice cream, the car starts giving problem. At first, he thinks, it is just a co-incidence but when this awkward incident happens for 3-4 times, he reports this problem to the company.

The mechanic of the company checks but finds no problem at all. The next day, when he stops by to eat chocolate ice cream, the car again starts giving problem.

Can you find the possible reason?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Can you count the number of blocks in the picture below?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What does this Rebus Picture mean?