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10 Jul 2019, 10:37
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C
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A truck travelling at 70 kilometres per hour uses 30% more diesel to travel a certain distance than it does when it travels at the speed of 50 kilometres per hour. If the truck can travel 19.5 kilometres on a litre of diesel at 50 kilometres per hour, how far can the truck travel on 10 litres of diesel at a speed of 70 kilometres per hour?
1.130
2.140
3.150
4.175
5.180
1.130
2.140
3.150
4.175
5.180
WiziusCareers1
Joined: 27 Apr 2009
Last visit: 07 Dec 2024
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Location: India
Schools: HBS '14 (A)
GMAT 1: 730 Q51 V36
10 Jul 2019, 22:32
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If the truck uses 1 litres of fuel for 19.5 kms at 50 kmph, then it uses 1.3 litres of fuel for 19.5 kms at 70 kmph.
=> At the speed of 70 kmph, the truck covers (19.5/1.3) = 15 kms for 1 litre of fuel.
=> For 10 litre of fuel, the truck will cover 15 * 10 = 150 kms at 70 kmph
Hence, the answer is (C).
=> At the speed of 70 kmph, the truck covers (19.5/1.3) = 15 kms for 1 litre of fuel.
=> For 10 litre of fuel, the truck will cover 15 * 10 = 150 kms at 70 kmph
Hence, the answer is (C).
