If 21x = 79x, what is the value of x?

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.

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

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Can you decipher the two rows to find the hidden word?

By what process could you make a 'Tea-Table' into food?

Can you solve this picture maths equation?

'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!

What word is pronounced the same if you take away four of its five letters?