A boat covers 48 km. upstream and 72 km. downstream in 12 hours, while it covers 72 km. upstream and 48 km. downstream is 13 hours. The speed of stream is -
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Q:
A boat covers 48 km. upstream and 72 km. downstream in 12 hours, while it covers 72 km. upstream and 48 km. downstream is 13 hours. The speed of stream is -
- 12.5 kmphfalse
- 24 kmphfalse
- 32 kmphtrue
- 42.2 kmphfalse
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