CBSE 2023 · Region 1 · Set 2 · Q5

The distribution below gives the marks obtained by $\displaystyle 80$ students on a test :

Marks	Less than $\displaystyle 10$	Less than $\displaystyle 20$	Less than $\displaystyle 30$	Less than $\displaystyle 40$	Less than $\displaystyle 50$	Less than $\displaystyle 60$
Number of Students	$\displaystyle 3$	$\displaystyle 12$	$\displaystyle 27$	$\displaystyle 57$	$\displaystyle 75$	$\displaystyle 80$

The modal class of this distribution is :