Eight of us go fourth, not back, to protect our king from an attack. What are we?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

Our product and our sum always give the same answer. Who are we?

What part of Turkey has the most feathers?

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

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"