Question

In a newly constructed park which is situated in the heart of city Hyderabad, an architect
has formed a structure in the given shape. The shape has a cuboid, which is standing on the
two cylindrical beams. The dimensions of the cuboid are 1.5m, 3m and 0.5m. The
dimensions of the cylinders are of height 2m and diameter 0.6m.
i) As the structure is made of concrete, how much volume of concrete is required to make
the cuboidal shape?
a)1.75m3
b) 2.20m3
c)2.25m3
d)1.25m3
ii) What is the formula for calculating the lateral surface area of the cylinder?
a) 2h(1 + b) b) πη2
c) 2nr(h + r)
d) 2nrh
iii) What is the volume of two cylinders?
a)1.20m
b) 1.134m3
c)3m3
d)2.2m3
iv) If the cuboid needs to be painted red, how much area needs to be painted?
a)5.2m2
b)13m2 C)6.75m?
d)5.7m
v) If cloth is needed to cover the cylindrical part, how much cloth is needed?
a)8.25m2
b)1.25m2 c)4.50m2
d)7.536m2​

Answer 1

Answer:

i).2.2m3

ii.2n(h+r)

iii.2.2m3

iv.5.7m

v.8.25m2