How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Can you find out the number that should replace the question mark with a valid reason?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

Find out the missing number in the picture attached:

I have Rs.50 and I spend it in the way as below.

Can you fill the blank with the correct number?

6 30 870 756030 _____

The more of this there is, the less you see. What is it?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?