Question

2. There are three sections A, B, C in class X with 25, 40 and 35 students respectively. The average marks obtained by section A, B and C are 70%. 65% and 50% respectively, then the average marks of entire class X is [ ] A) 61% B) 58% C) 67% D) 63%​

Answer 1

Answer:

61

70+65+50=185

185÷3(total no of percentage ÷ tatal no of section

=61.66666

=61% (✓)