The required number of the given question is 20.
Explanation:
Given:
2
is 11% of a given number.
To find:
The given number
Let, the number be "x"
According to the problem,
2
= 11% of x
or, 2
= x ×

or,
=

or, 11 ×5x = 100×11 [ by cross multiplication]
or, x = 20