5th Class
Mathematics
Computation Operations
Question Bank
Computation Operations
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