How many times do a clock's hands overlap in a day ?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Identify the 10 differences between the two given pictures.

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

When we see 2 but call 10?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?