Question

4.
(ii) each side is made n times!
The perimeter of the largest room in Priyanka's house is 250 m. The cost of white
washing its four walls at the rate of Rs. 10 per sq m cost is Rs. 15000. What is the
height of the room. (Hint:Area of four walls = lateral surface area)
Thomic another cuboidal box with​

Answer 1

Answer:

According to question:

L+B = 250/2 = 125m

Now L.S.A of priyanka room = 15000/10 m2= 1500m2

L.S.A of cuboidal room = 2(L+B) × h

1500m2 = 2 ( 125) ×h m

1500/250 m = h

h= 6 m

height of room = 6m

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