If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

Find the value of "a" by solving the maths equation in the picture below:

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

You need to remove four matchsticks from the picture below and still need to maintain the following as in the original image.
1. 1st row contains 12 matchsticks
2. 2nd row contains 12 matchsticks
3. 1st column contains 12 matchsticks
4. 2nd column contains 12 matchsticks

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?