How many pupils can be seated in a room with N single chairs and B double seated benches?
A
nb
B
2nb
C
2(b+n)
D
2b + n
Correct Answer: 2b + n
In 1 single chair seated 1 Man So, in n single chair seated = 1 × n= n Managain, In 1 bench seated 2 ManSo, In b bench seated = 2 × b= 2b Man So Total number of Man can be seated in this classroom is = 2b + n Ans: 2b + n