Can you place three balls such that the equation shown in the picture holds true?

In the image below, can you find the value of an angle(y)

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

What 5-letter word typed in all capital letters can be read the same upside down?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Identify the hidden meaning behind this picture?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?