question_answer

Each floor of a high rise building is fitted with 20 doors- There are 12 floors in each building. There are 25 such buildings in a complex. Calculate the total number of doors fitted in the complex.

A)  2400                           

B)  3000   

C)         6000               

D)         5000

Correct Answer: C

Solution :

Number of doors on 1 floor = 20 Number of floors in 1 building = 12  Number of doors in 1 building Number of buildings in 1 complex = 25 Number of doors in 25 buildings