C-05-Q076mediumsingle_mcq
In a girls' school, students per bench leaves empty; per bench leaves standing. Number of benches is—
In a girls' school, students per bench leaves empty; per bench leaves standing. Number of benches is—
- a
- b
- c
- d
ব্যাখ্যা
Letting be the benches, per bench (2 empty) gives students and per bench (6 standing) gives ; equating, yields . So there are benches.