a car requires 175 l of petrol to travel 28km , how much petrol is required to cover 32km
a. 160 L
b. 200 L
c. 185 L
d. 220 L
( This was my imo question but due to time loss i didnt solve it)
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Answer:
option b 200L is the correct answer
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car needs more petrol to travel longer distance and less petrol for shorter distance
so distance, d and petrol required, p are directly proportional.
we can write it as p1/d1 = p2/d2
172/28 = p2/32
p2 = 172/28 × 32 = 196.57 l ≈ 200 l
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