Find the number of squares in the below picture

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

How many triangles are there in the picture below?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

I am the fastest animal but cannot climb the tree. What am I?