RRB NTPC · Question 80

Of the 360 students who sat for Class X Board exams, 10% students scored A grade, 20% students scored B grade, 30% students scored C grade and 40% scored D grade. From the given pie chart, find the total number of students who scored Grade A and Grade B.

1. A

   72

2. B

   108

3. C

   144

4. D

   36