Question

anti-virus 2.6 metre by 1.1 M find the cost of painting both sides of the good at the rate of rupees20 per square metre

Answer 1

Area of both sides- 2(l*b)
2(2.6*1.1)
2*2.86
5.72m

cost= 20*5.72
Rs.114 and 40 paise

3.3