How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

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

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

What kind of band never plays music?

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

When 99 is considered higher than 100?

What does the below rebus riddle means?