Question

75% of the students in a class passed an exam. If 2 more students had panied the exam,
80% would have been successful. How many students are there in the
[Hint. Let the total number of students in the class be x, then
75 xx + 2 = 30 x x.]
100
100

Answer 1

Answer:

5% is 2 Nos

loo% is x

(100 / 5)x2 = 40

Number of students in the class is 40