117
google search
Google search results:
1: https://www.examveda.com/two-ships-are-sailing-in-the-sea-on-the-two-sides-of-a-lighthouse-the-angle-of-elevation-of-the-top-of-the-lighthouse-is-observed-from-the-ships-are-18324/
++++++++++++++++
2: https://www.toppr.com/ask/en-at/question/two-ships-are-sailing-in-the-sea-on-the-two-sides-of-a-lighthouse-the-3/
++++++++++++++++
3: https://www.toppr.com/ask/en-us/question/two-ships-are-sailing-in-the-sea-on-the-two-sides-of-a-lighthouse-the-4/
++++++++++++++++
4: https://www.quora.com/2-ships-are-sailing-in-the-sea-on-the-two-sides-of-a-lighthouse-The-angle-of-elevation-of-the-top-of-the-lighthouse-is-observed-from-the-ships-are-30%C2%BA-and-45%C2%BA-respectively-and-lighthouse-is-200-m-high-What
++++++++++++++++
5: https://www.javatpoint.com/aptitude/height-and-distance-1
++++++++++++++++
6: https://www.mastguru.com/two-ships-are-sailing-in-the-sea-on-the-two-sides-of-a-lighthouse-the-angle-of-elevation/1113
++++++++++++++++
7: https://www.youtube.com/watch?v=b3ZMcCAeyWA
++++++++++++++++
8: https://testbook.com/question-answer/two-ships-are-sailing-in-the-sea-on-the-two-sides--607a89fcbd806fd362249136
++++++++++++++++
9: http://sliet.ac.in/wp-content/uploads/2014/02/SET-1-1A-ANSWER-KEY-AND-QUESTION-BOOKLET.pdf
++++++++++++++++
10: https://waves-vagues.dfo-mpo.gc.ca/Library/353026.pdf
++++++++++++++++
11: https://scholarworks.calstate.edu/downloads/9p290b37v?locale=en
++++++++++++++++