Question

17. Calculate the cost (Rs.) of 100 mm thick brick
lining of a septic tank of size 5 mx 3 m x 1.5 m, if
the rate of lining is Rs. 200 per square meter.
(a) 4500
(6) 4800
(c) 5400
(d) 7800​

Answer 1

a)4500+100 = 450000
b)4800+100=480000