Question

c. An office building has 3 floors. There are 20 offices on the ground floor. There are 5 more offices on the first floor and 2 more offices on the second floor than on the first floor. How many offices are there in all?
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Answer 1

Answer:

No. Of offices in ground floor = 20

No. Of offices in 1st floor = 20 + 5 = 25

No. Of offices in 2nd floor = 25 + 2 = 27

Total offices = 20 + 25 + 27 = 72 offices