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Rs aggarwal solutions
Grade 7 
Mathematics
Mathematics class 7th RS Aggarwal
Unitary Method
Unitary Method Exercise 9A
Question 5
Mathematics
Mathematics class 7th RS Aggarwal
Unitary Method
Unitary Method Exercise 9A
Question 5
Unitary Method | Unitary Method Exercise 9A
Question 5
A car can cover a distance of 357km on 42 liters of petrol. How far can it travel on 12 liters of petrol?
Solution:-
From the question,
The distance cover by car on 42 liters of petrol = 357km
The distance cover by car on 1 liter of petrol = (357/42) km
∴The distance cover by car on 12 liters of petrol = (357/42) × (12)
= 102 km
Question 5
A car can cover a distance of 357km on 42 liters of petrol. How far can it travel on 12 liters of petrol?
Solution:-
From the question,
The distance cover by car on 42 liters of petrol = 357km
The distance cover by car on 1 liter of petrol = (357/42) km
∴The distance cover by car on 12 liters of petrol = (357/42) × (12)
= 102 km
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