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Byju's Answer
Standard IX
Mathematics
Ratio and Proportion
A journey of ...
Question
A journey of
500
k
m
is covered by car using
20
l
i
t
e
r
s
of petrol. How much petrol will be used for journey of
750
k
m
?
What will be the distance that the car can travel with
27
l
i
t
e
r
s
of petrol?
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Solution
Petrol consumed in 500 km journey = 20 lit
Petrol consumed in 1 km journey =
20
500
=
1
25
l
i
t
Petrol consumed in 750 km journey =
1
25
×
750
=
30
l
i
t
Distance travelled by 20 lit petrol = 500 km
Distance travelled by 1 lit petrol =
500
20
=
25
k
m
Distance travelled by 27 lit petrol =
25
×
27
=
675
k
m
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