Question

Two identical lamps A and B using different types of kerosene can completely
utilize the same volume
of oil in 12 hours and 8 hours respectively, due to the quality of oil used. If both of them start burning at
the same time at their respective constant speed, then after what time does
the ratio
of the height
of kerosene oil left will become 4:3.​

Answer 1

Answer:

After 2:30. hours the ratio of there height will be 4:3.

Step-by-step explanation:

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