Question
Which two signs need to be interchanged to make the
following equation correct? 62 – 12 × 60 ÷ 12 + 30 = 92Solution
62 – 12 × 60 ÷ 12 + 30 = 92 62 + 12 × 60 ÷ 12 – 30 = 92 62 + 12 × 5 – 30 = 92 62 + 60 – 30 = 92
A man swims 3km/h against the stream and goes 1 km in 10 minutes along the stream, how much time will it take to cover 5 km in still water?
A boat travels 30 km upstream and 45 km downstream in 6 hours. If the speed of the stream is 4 km/h and the boat’s speed in still water is 8 km/h, wha...
The speed of a boat in still water is 12 km/h and the speed of the current is 3 km/h. A person travels 270 kilometers in a boat in the upstream directio...
A boat goes 8 km an hour in still water, but takes twice as much time in going the same distance against the current. The speed of the current (in km/ho...
A boat covers 45 km downstream in 2 h and the same distance upstream in 10 h. Find the speed (in km/h) of the boat in still water.
A boat goes 60 km upstream in 4 hours and 50 km downstream in 2 hours, then the speed of the boat in still water is
The time taken by a boat to cover 72 km downstream is 3 hours less than the boat to cover a certain distance in upstream. The dow...
A boat can go 15 km upstream and 21 km downstream in 2 hours. If the speed of the stream is 3 km/h, then the time taken (in hours) by the boat to go 21 ...
A boat can cover 180 km in downstream in 9 hours and 110 km in upstream in 11 hours. Find the speed of boat in still water.
A man rows upstream 18 km and downstream 30 km taking 6 hours each. Find the man’s speed in still water.
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