Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

What will you call your mother's brother's brother-in-law?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Find the missing letter in the last circle logically in the given below picture.

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

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?