Q. 5

# <span lang="EN-US

Diameter of roller = 120 cm

Length Of Roller, h = 84 cm

AR = 31680 sq. cm

Total area of ground, AG = 200 × AR

AG = 6336000 cm2

As 1 m2 = 104 cm2

AG = 633.6 sq.m

Rate to level the ground = Rs. 10 per sq.m

Total Expenditure = 633.6 × 10

Total expenditure = Rs. 6336

Total expenditure to level the road will be Rs. 6336

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