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

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Which fur should we be getting from the Lion?

What jumps when it walks and sits when it stands?

In the image given, you can find several triangles. Can you count them all?