Why did the Girl throw the butter out of the window?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

Solve this riddle by finding the odd one out from the rest.

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

I cannot talk, but I always reply when spoken to. What am I?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

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