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

How many triangles can you find in this given picture?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

Find the missing number in the sequence below:

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What is full of holes but still holds water?

In the given picture, in how many ways can you read the word "Tiger"?

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

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

What is the Surname of Barbie Doll?