If 21 is added to four times a number, the result is 57.

Then the number is?

Answer Fast Maths Brain Teaser
View Answer Submit Answer

9

4x + 21 = 57
4x = 36
x = 9

You May Also Like

Riddle With Shape

Riddle With Shape

You need to solve the riddle by cutting the shape
Infosys Logic Intervie

Infosys Logic Intervie

This was asked in an interview of Infosys. Interv
Famous Logical Picture

Famous Logical Picture

You are given 16 witch hats. The hats are divided