Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Replace the question mark in the picture below.

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

The world's largest Thanksgiving turkey was on display at a fair. Everyone was admiring it when suddenly a woman ran up and shot the turkey and left. Everyone knew her yet nobody made any attempts to stop or report her. Why?

What begins with T, ends with T, and has T in it?

What am I?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?