Question

Find the cost of white washing a 70 cm long and 12 m high wall if the cost of white washing 1.sq.m is Rs 10.00 . With explanation. Width is not given in the question.​

Answer 1

Step-by-step explanation:

${\bold{\underline{Dimensions \: of \: the \: wall :}}}$

70cm by 12m

Or, 0.70m by 12m

◉ Cost of whitewashing :

➡ ₹10/m²

◉Area of the wall = l*b

= 0.70*12

= 8.4m²

◉ Total cost of whitewashing :

➡ 8.4m² × 10

➡ ₹84 ans.