Question

in a class if 5 students are seated in a bench then 2 benches will be vacant.If 4 students are seated in a bench,then 10 students will not have benches to sit.Then the number of students and benches in the class are

Answer 1

Answer:

number of benches is 20 and number of students is 90

Step-by-step explanation:

let the no of students be y

let the of total banches be x

acc to ques

1st case

(x-2)5=y

5x - 10= y

5x-y=10.....1st eq

2nd case

y-10=4x

y-4x=10....2nd eq

from 1st and 2nd eq

5x-y=y-4x

9x=2y

x=2y/9

by substituting the value of x we can get the ans

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