There are three floors in a given building such that floors 2 is above floors 1 and floors 3 is above floors 2. in the building there are two flats in each floors such Flat M is in the west of Flat N. In the building each flat has an area of 576 ft and each flat has same number of store.
The area of each store of one of the flat on the even number floor is 64 ft. total store on floor number third is seven. the flat which has store of area of 72 ft is on odd number floor. area of each store stay in the flat which is exactly below 9 store in flat is 288 ft. there is only one floor between the flat who's each room area is 192 ft and the flat whose area is 72 ft. there is no man on the west of the flat having 6 childrens.
What is the total number of store on floor `2^(nd)` ?

Options

A. 140.5
B. 138.5
C. 142
D. 144 ft

Answer

A

Explanation