Question

The length, breadth and height of a room are 5 m, 4 m and 3 m respectively. Find
the cost of white washing the inner of the room and ceiling at the rate of 50
per square metre.
​

Answer 1

Answer:

Given,

Length=5m

Breadth=4m

Height=3m

TSA of room= 2 (Ib+bh+hl) Sq units

2(20+12+15) M square

2(47) m square

94 m square

TSA to be white washed=(94-20)

=74m square

Cost of white Washing wall=(74xRs 50)

= Rs 3700

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