Question

10. Anil is painting the four walls of his bed-
room. Each wall has an area of x + 2 sq.m.
Included in the total area of the walls is
Loc
one window with an area of x' sq.m and a
door with an area of 3x? - 4 sq. m, neither
of which need to be painted. How much
area will Anil be painting?​

Answer 1

Answer:

Area of one wall =length×height=5×8=40 sq.m

Area of another adjacent wall =width×height=3×8=24 sq.m

Area of 4 walls =2×40+24×2−4.5−2.25=128−6.75=121.25

Cost of painting the four walls =121.25×25=3,031.25 Rs.

So, we don't require statement III.

Answer 2

Answer:

Area of one wall =length×height=5×8=40 sq.m

Area of another adjacent wall =width×height=3×8=24 sq.m

Area of 4 walls =2×40+24×2−4.5−2.25=128−6.75=121.25

Cost of painting the four walls =121.25×25=3,031.25 Rs.

So, we don't require statement III.

Step-by-step explanation:

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