You knock a Table over in the library, and suddenly 20 eyes are looking at you.

I cannot talk, but I always reply when spoken to. What am I?

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

Take one out and scratch my head, I am now black but once was red. What am I?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

My location can be determined by the below rebus.
So where am i ?

People make me, save me, change me, raise me. What am I?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1