Question

What number increased by 15% of itself gives 2921?

Answer 1

Let the number be x.
As per the given condition,
x + 15% of x = 2921

⇒ `x + 15/100 x xx` = 2921

⇒ `x + (15x)/100` = 2921

⇒ `(115x)/(100)` = 2921

⇒ 115x = 292100
⇒ x = 2540
Hence, the number is 2540.