Why is the Hole below a Lock?

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

When we see 2 but call 10?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

what does this below rebus represent identXQQQQQME

Solve the puzzle by telling what does below picture means.

Why did Navjot Singh Sidhu put the new January calendar in the freezer

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?