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

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

A father's child, a mother's child, yet no one's son.

Who am I?

Prove that twice of ten is the same as twice of eleven.

Five lovely ladies(Sophia, Isabella, Madison, Emma and Olivia) planned a picnic.

They each buy one thing each for the picnic.

Sophia, Emma and Olivia got a drink : orange-Juice, apple-juice, and mango-juice.
Olivia got the drink with the same letter as the one in her first name.
Emma loves mango-juice.
The other two bring some food : chocolates and pizza.
Also Madison is allergic to cheese.

So which ladies bought what ?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

I shave every day, but my beard stays the same. What am I?

What does this rebus puzzle means ?