IBPS Government Jobs Exams Verbal Ability Miscellaneous

I Want practice arithmetic in m4maths it is very good platform.

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IBPS Other Question

Make simple try hardly. A boat goes up a river 20 km and down the river 24 km in 8 hours. it also goes up a river 30 km and down the river 28 km in 11 hours.What is the speed of the boat and the river?