please assist with the question below.

The histogram below chows the results of a maths test for a class of 200 pupils. 35 30 Number as of 20 Pupik o 10 20 30 40 50 60 70 80 40 100 Mark Which of the following classer contains the lower quartile of the test mark? [o, 10) [ 10, 20) [20, 30) [30 , 40) [uo, so)