I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Out of four images which one is the odd one out?

Which wheel of car does not rotate when you turn your car right?

What does this rebus means ?

PROG WORKRESS

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Can you find the six hidden animals in the picture below?