The breadth and height of room are 10 m and 4m.If the area of room is

1.	The breadth and height of room are 10 m and 4m.If the area of room is 168 m. Then find1]Height2] Cost of white washing at ₹10 per m3] Area of floor
Answer» Given :- Breadth of room = 10 m Height of room = 4 m Area of room = 168m To Find :- I]Height 2] Cost of WHITE WASHING at ₹10 PER m 3] Area of floor Solution :- Concept - At first we need to find the length by the formula 2[l +b]×h. Then we will find the cost of white washing. By multiplying the Area by 10. After we will multiply length and breadth to GET area $\sf \implies 168 = 2(10 + l) 4$ $\sf \implies 168 = 8[10 + l]$ $\sf \implies \dfrac{168}{8} = 10 + l$ $\sf \implies 21 = 10+l$ $\sf \implies 21 -10=l$ $\sf \implies 11 = l$ Length is 11 m Cost of white washing = Area of 4 walls × Rate Cost = 168 × 10 Cost = ₹1680 Cost of whitewashing is ₹1680 Area of floor = Length × Breadth Area of floor = 11 × 10 Area = 110 m²

The breadth and height of room are 10 m and 4m.If the area of room is 168 m. Then find1]Height2] Cost of white washing at ₹10 per m3] Area of floor

Answer»

Given :-

Breadth of room = 10 m

Height of room = 4 m

Area of room = 168m

To Find :-

I]Height

2] Cost of WHITE WASHING at ₹10 PER m

3] Area of floor

Solution :-

Concept - At first we need to find the length by the formula 2[l +b]×h. Then we will find the cost of white washing. By multiplying the Area by 10. After we will multiply length and breadth to GET area

$\sf \implies 168 = 2(10 + l) 4$