Question

In a class ,two-fifths students like to read English magazines only and three-tenths of the students like to read Hindi magazines only. If 12 students read both the magazines and 3 students do not read read any magazines.

Answer 1

hye

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let total students be x 

=>two-fifths students like to read English magazines only and three-tenths of the students like to read Hindi magazines only.

=>12 students read both the magazines and 3 students do not read read any magazines.

so lets from an equation


=> x = 2/5x +3/10x +12+3

=>x = 4/10x +3/10x +15

=>x =  7/10x +15

=>x -7/10x = 15

=>10x/10 -7/10x = 15

=>3x/10 = 15

=>3x = 10 *15

=>3x = 150

=>x = 150/3

=>x = 50



english = 2/5x

=>2/5*50 = 20 studets'

hindi =3/10x 

=>3/10 *50 = 15 students


hence there are 50 students in the class  ,out of which 20 read english magazine ,15 hindi ,12 read both and 3 read nothing

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hope it helps u..........

Answer 2

Answer:

50 students are in the class...

Step-by-step explanation:

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