What number when divided in half becomes zero?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

What is harder to catch the faster you run?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

Find the 8 in the below-given Image.

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?