A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five hours?

Let the number of bottles filled in five hours be x.
Hours 1 x
Bottles 75 1800
Here ratio of hours and bottles are in direct proportion.
∴ 6/840 = 5/x ⇒ 6Xx = 5×840 ⇒ x=5×840/6 = 700 bottles
Hence, machine will fill 700 bottles in five hours.

Class 8 Maths Chapter 11 Exercise 13.1 Solution in Video

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