How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

If 1+9+8=1, what is 2+8+9?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Which English verb becomes past tense just by rearranging the letters?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Find the number of squares in the below-given picture.

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.