15. If the dimensions of a conference hall are 40 m long, 30 m wide an

1.	15. If the dimensions of a conference hall are 40 m long, 30 m wide and 35 m high, then find the cost of whitewashingthe four walls at the rate of? 2.50 per m2
Answer» Area of four walls = 2h(l+b)= 235(40+30)= 7070= 4900 m²Cost of whitewashing = 49002.5= ₹ 12250 Please hit the like button if this helped you

15. If the dimensions of a conference hall are 40 m long, 30 m wide and 35 m high, then find the cost of whitewashingthe four walls at the rate of? 2.50 per m2

Answer»

Area of four walls = 2h(l+b)= 2*35*(40+30)= 70*70= 4900 m²Cost of whitewashing = 4900*2.5= ₹ 12250

Please hit the like button if this helped you