You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

When it's bad luck to meet a black cat?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Which flower has two lips?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Move four matchsticks to the below square to form three squares?

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?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

A sundial has the fewest moving parts of any timepiece. Which has the most?