RRB NTPC CBT I 28 Dec 2020 Shift 2 Paper

Question : 80 of 100

Marks: +1, -0

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.