Why Aeroplane windows are round?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

Why is it very easy to weigh a fish?

The cream is heavier than Milk. True or False?

Why is Saturday stronger than Monday?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?