Can you count the number of blocks in the picture below?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

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

what one word does the below rebus identifies?

Find the last number in the series below:

voN luJ yaM raM ---

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?