Can you convert the number zero(0) into a positive number using just one mathematical operator ?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

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

How many letters are in the alphabet?

What kind of storm is always in a rush?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

What does this Rebus Picture means ?

A bomb exploded in a room full of married couples and no one died. How?

How many triangles are there on the puzzle below?