Question
Chemical preservative is defined as a chemical compound
that:Solution
The correct answer is A
The speed of boat 'X' in upstream is 18 km/hr and speed of boat 'Y' in downstream is 30 km/hr. If the difference between speeds of boat 'X' and 'Y' in s...
A boat can cover 66 km upstream and 165 km downstream in 13 hours. Speed of the stream is how much less than the speed of the boat in still water if the...
If a man rows at the rate of 17 kmph in still water and his rate against the current is 7 kmph, then find the man’s speed with downstream....
The ratio of downstream speed to upstream speed of a boat is 5:3. If the boat can cover 160 km in still water in 10 hours, then find the difference betw...
A launch moves 50 km upstream and 180 km downstream in a combined time of 11 hours. The still-water speed of the launch is 10 km/h faster than the strea...
A man goes downstream with a boat to some destination and returns upstream to his original place in 5 hours. If the speed of the boat in still water and...
The speed of the stream is 12 km/h. Boat ‘A’ covers 120 km distance against the stream in 6 hours and boat ‘B’ covers 120 km distance against th...
A boat can travel 80 km downstream in 4 hours and the same distance upstream in 8 hours. If the speed of the boat in still water is increased by 50%, ho...
When travelling downstream, a boat takes 5 hours to travel 240 km. If the speed of the stream is (5/8)th of downstream speed of the boat, the...
A boat covers 30 km downstream in 60 minutes. If the ratio of the speed of the boat in still water to that of the speed of the stream is 8:4, respective...
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