Question

Construction of a building: Raman is a contractor; he is constructing a building of

many floors. The building has interesting design on each floor it has open space thus number of

rooms decreases as we go up. If number of bricks for construction of a room is 1500. The

number of bricks required for ground floor is 30,000 on 1st floor it is 27,000 on 2nd

floor It is

24,000 …… and so on

i) Find the total number of rooms on ground floor.

(A)20 rooms

(B) 24 rooms

(C) 23 rooms(D)25rooms

ii) Find the number of rooms on 5th floor.

(A)13 rooms

(B) 12 rooms

(C) 11 rooms

(D) 14 rooms​

Answer 1

Answer:

a. 24

Step-by-step explanation:

b. 12 rooms

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