Question

(i) The shape of
the pillars is
a) Rectangle b) Cube c) Cuboid d) Cylinder
(ii) By using which formula he can calculate the surface area of the pillar?
(iii) The lateral surface area of one pillar is
a) 100 m
2 b) 120 m
2 c) 165 m
2 d) 82.5 m
2
(iv) How much cement is used to fill the pillar?
a) 44 m3 b) 45 m
3 c) 450 m
3 d) 440 m
3
(v) Find the cost of the plantation if it costs Rs.50 per m
2
. a) Rs.6225 b) Rs. 6000 c) Rs. 5000 d) Rs. 4100

Answer 1

1) d. cylindrical

2) 2πrh+2πr^2