Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

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?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

How many Watermelons are there in the below picture?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Before Mount Everest was discovered, what was the highest mountain in the world?