What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

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

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A dying old man wants to divide his entire land between his only two sons. Since his only wish is to treat them as equal as both of them have been too good to him, he wants to divide his land equally between them. The problem is that the land is significantly irregular in shape and thus there is no choice of cutting them into two equal halves.

Can you help him divide the land in a manner that both of his sons will be happy?

Find the hidden tiger in the given optical illusion ?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

I have Rs.50 and I spend it in the way as below.