Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

What is the next number in the series?

15 29 56 108 208 ?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

What is more useful when it is broken?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?