If ‘N’ is the number of shafts used, then the total number of feces available for attacking the excavation and construction in tunnels are________?
A2N
B2 N + 2
CN + 2
D2 N + 1
Correct answer
B. 2 N + 2
Explanation
The correct answer is 2 N + 2.
If ‘N’ is the number of shafts used, then the total number of feces available for attacking the excavation and construction in tunnels are________? - Answer and Explanation | Academy of Pakistan