Hasan and Hari family planned for a tour during their vacation. So they decided to visit Kerala. It was a 10 days trip. During
their stay in Kerala, one day they all visited Alleppey Beach. There they all went for a boat rowing.
So while rowing Hasan and Hari observed up streams and down streams. They observed that the speed of the boat changes
according to up stream and down stream.
If the speed of the boat is 8 km/hr and speed of the stream is x km/hr, then
( i ) Upstream speed = ____________-
( ii ) Down stream speed = ______________
(iii ) If they took 4 hours to go upstream, then distance upstream= ______
( iv ) If they took 2 hours to go down stream, then distance travelled downstream =
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