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Two water supplying trucks – A and B supply water to remote areas. Truck A is carrying 100 litres of water to a village 1.5 km away and truck B is delivering 80 litres of water to another village, 1 km away. Due to bad road conditions, each truck loses 20 ml water while travelling each metre distance. Which truck is able to deliver more water and by how much more?

a) Truck A, 20 litres

b) Truck B, 20 litres

c) Truck A, 10 litres

d) Truck B, 10 litres

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Best answer

Correct option is c) Truck A, 10 litres

Truck A carries water = \(100 - \left(\frac{20 \times 1500}{1000}\right) = 70 l\)

Truck B carries water = \(80 - \left(\frac{20 \times 1000}{1000}\right) = 60 l\)

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