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

A father's child, a mother's child, yet no one's son.

Who am I?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Can you find the mistake in the below statement?