Why do we preferably have round manhole covers and not square ones?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

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?

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

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

What always comes into a house through the keyhole?

What part of the chicken has the most feathers?

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

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

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?