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Start learning 50% faster. Sign in nowRecently the tenth edition of the World Peace Forum 2022 was organised by Tsinghua University, in Beijing. It was started in Beijing on July 3, 2022. Over 300 former senior officials, scholars and diplomatic envoys are taking part in online or offline mode. It is being organised under the theme “”Preserving International Stability: Commonality, Comprehensiveness and Cooperation,”. The tenth edition of the forum comprises topics including preservation of world peace, United Nations, European security order, and world order.
A boat takes 7 hours to cover 294 km upstream and 9 hours to cover 486 km downstream. Find the time taken by the boat to cover 720 km upstream and 616 k...
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 man takes a total time of 5 hours to cover 36 km downstream and 18 km upstream, while the man takes the same time to cover 54 km downstream and 12 km ...
If a river is flowing at a rate of 6 km/hr and a boat's speed in still water is 100% higher than the river's speed, and the boat travels 'd' kilometers ...
A boat can cover a distance of 210 km downstream with the current in 5 hours. It takes an additional 2.5 hours to return the same...
A boat covers a distance of 150 km while moving in a downstream in 5 hours. When the boat covers a distance of 60 km in still water in 3 hours, then Wha...
Find the total distance covered by boat in each upstream and downstream in 4 hours if the speed of boat in still water and speed of current is 15 km/h a...
Speed of current is equal to 25% of speed of boat in still water. If the boat takes 5 hours to cover 120 km in still water, then find the time taken by ...
Before rain a boat can cover 90 km in still water and the same distance upstream in 6 hours and 9 hours, respectively. Due to the rain the speed of the ...
The ratio of the speed of the boat in upstream to that of in downstream is 3:4, respectively. If the speed of the current is 5 km/h, then find the speed...
