If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

How many Watermelons are there in the below picture?

What is the word or phrase?

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?

Below rebus represent famous DiCaprio movie. Can you name it?

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

Can you find the number?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

A woman named Maria was at the funeral of her mother. She met a nice young man that she had never seen before and after the service, they spent a bit of time together. Then she got busy and didn’t get his name or phone number before he left. She tried to find him, but no one knew who he was or how to contact him. A few weeks later, Maria’s older sister dies and the police suspect murder. Who killed the sister?

What country can make you shiver?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?