The enrolment of students in a school increases from 560 to 581. What is the percent increase in the enrolment ?

A. 2.75%

B. 3.25%

C. 3.72%

D. 3.75%

Answer: Option D

Solution(By Examveda Team)

Percentage increase :
$$\eqalign{ & = \left( {\frac{{21}}{{560}} \times 100} \right)\% \cr & = \frac{{15}}{4}\% \cr & = 3.75\% \cr} $$