What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

What Does this text mean:

important=important

Why is it very easy to weigh a fish?

What question can you never answer yes to?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

what does the below math rebus puzzle mean?