8. The weight of 72 books is 9 kg. What is the weight of 40 such books? 5Kg.
pre, 9. A truck requires 108 litres of diesel for covering a distance of 594 km. How
much diesel will be required by the truck to cover a distance of 1650 km?
10. Raiu nurchases 10 nens for 150 and Monin bu
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Answer:
(8) The weight of 40 such books is 5 kg.
(9) The amount of diesel required to travel 1650 km is 300 liters.
Step-by-step explanation:
(8)
The weight of 72 books is, 9 kg.
The weight of 1 book is, .
Then the weight of 40 books is,
Thus, the weight of 40 such books is 5 kg.
(9)
The amount of diesel required tot ravel 594 km is, 108 liters.
The amount of diesel required to travel 1 km is, .
Then the amount of diesel required to travel 1650 km is,
Thus, the amount of diesel required to travel 1650 km is 300 liters.
Therefore for 1 km = (108/594) litres
For 1650 km how much litres required = (108/594)*1650
= (2/11)*1650
=300 litres