Count the number of triangles in the picture below:

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

A sundial has the fewest moving parts of any timepiece. Which has the most?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

What is the difference between a jeweller and a jailer?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.