Q7 of 13 Page 67

Two tankers contain 850 liters and 680 liters of kerosene oil respectively. Find the maximum capacity of a container which can measure the kerosene oil of both tankers when used and an exact number of times.

For a maximum capacity of the container we have to find the HCF of 850 and 680.

Factors of 850 are 2,5,5,17 and of 680 are 2,2,2,5,17


So HCF is 2 × 5 × 17 = 170


Hence the maximum capacity is 170 liters.


Number of times for the first container is


For the second container is


Hence, the total number of times = 9


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