547
google search
Google search results:
1: https://www.toppr.com/ask/en-us/question/the-speed-of-a-boat-in-still-water-is-15/
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2: https://www.geeksforgeeks.org/trains-boats-and-streams-2-gq/
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3: https://studysite.org/Discuss/Question/the_effective_speed_of_a_boat_is_105_kmph_against_the_stream_and_165_kmph_along_the_stream_find_the_speed_of_the_stream-30205014.htm
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4: https://www.tutorialspoint.com/quantitative_aptitude/aptitude_boats_streams_examples.htm
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5: http://103.159.250.162:81/fdScript/RootOfEBooks/ECE/Aptitude/boatsandstreams.html
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6: http://103.159.250.162:81/fdScript/RootOfEBooks/ECE/Aptitude/boatspro.html
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7: https://www.careerbless.com/aptitude/qa/boatsandstreamss1.php
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