Question

Vineet wants to polish the floor of a room which is 140 cm long and 120 cm write the charges for polishing the floor is rupees 52 per square metre what will be the cost of polishing the floor of the room

Answer 1

Given
Length = 140 m.
Breadth = 120 m.

Therefore,area of the floor = l × b
= 140 ×120
=16800cm^2 or 168m^2.

Cost of polishing 1m^2 of floor = Rs.52

Thus, Total cost = 168 × 52
= Rs.8736

PEACE

Answer 2

area of floor = 140×120
=16800 cm ^2
1m = 100cm
16800cm = 168 m
cost needed = 168×52 =8736 rupees.