What is always in front of you but can’t be seen?

Find the value of "?" in the ball picture Riddle below:

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???

What four weights can be used to balance from 1 to 30 pounds?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

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 is the longest word in the dictionary?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

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?

Which holiday are we talking about?