A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

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

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

Find the number of squares in the below-given picture.

I am an odd number. Take away a letter and I become even. What number am I?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

If 21x = 79x, what is the value of x?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?