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

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

What is the next number in the series?

15 29 56 108 208 ?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

What goes up but never comes down?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

In the image below, can you find the value of an angle(y)