Discuss Forum
1. How many students can sit in a room with n single chairs and b doubleseated benches?
- A. nb
- B. nb
- C. nb
- D. nb
Answer: Option D
Explanation:
In 1 single chair seated 1 student
So, in n single chair seated = 1 × n= n students
Again,
In 1 bench, seated 2 students
So, in b bench seated = 2 × b = 2b students
So Total number of Student can be seated in this classroom is = 2b + n
Ans: 2b+n
Post your comments here: