Question

19. In an examination, 70% of the students achieved grade A, 10% were placed in grade B and
the rest obtained grade C. Find the number of students placed in each grade if 200 students
appeared in the examination.​

Answer 1

Answer:

Grade A is 140 students, Grade B is 20 students, Grade C is 40 students

Step-by-step explanation:

100-70= C

20 = C

7/10 x 200 = 140

1/10 x 200 = 20

2/10 x 200 = 40

Answer 2

140 students achieved grade A
20 students achieved grade B
40 students obtained grade C
For explanation refer to attachment

Hope, its helpful