Question

In a examination 72% students passed and 392 students failed.How many students are there?

Answer 1

Step-by-step explanation:

100% - 72% = 28%

392 is the 28% of total examines

392= 28× x /100

x = 39200/28

x = 1400

Total examines are 1400

Hope this will help you:)

Answer 2

Answer:

1400

Step-by-step explanation:

A.T.Q.

if 72% students are pass then 28% of students -(1) are fail therefore

given= 392 students are fail. ------(2)

let the no. of students =X

from (1) and (2)

28% of X =392

28/100 × X =392

X= 1400