Question

there are some benches in a classroom. if 4 students sit on each bench then 3benches remains empty and if 3students sit on each bench then 3 students remain standing .find the number of students in the class.

Answer 1

Let there be x benches.
Then , number of students = 4(x-3) = 3(x) + 3
x = 15
students = 4(x-3) = 48