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The current of a stream runs at the rate of 3 km an hour. A boat goes 6 Km and comes back to the starting point in 8 hours. Find the speed of the boat in still water.

The current of a stream runs at the rate of 3 km an hour. A boat goes 6 Km and comes back to the ...

3/5,7/9,4/7,5/13

plz exolain in detail

1,5,4,6,7

how many three digit numbers can she make with these cards which ar...

The current of a stream runs at the rate of 3 km an hour. A boat goes 6 Km and comes back to the ...