1.

the Length breadth and height of a room are 5m 3 m and 4m respectively find the expenditure of whitewash on the four walls and the four of RS 30 per square metre

Answer» HEY

VOLUME= l×b×h
= 5×3×4
= 60 cu.m
= 30 Sr PER square metre
= 4
60 × 30 m
Rs 1800

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