Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
If the angle of elevation of a cloud from a point P which is 25m above a lake be 30o and the angle of depression of reflection of the could in the lake from P be 60o, then the height of the cloud (in meters) from the surface of the lake is :
MathematicsHeights and DistancesJEE MainJEE Main 2019 (12 Jan Shift 2)
Options:
  • A 50
  • B 60
  • C 45
  • D 42
Solution:
2457 Upvotes Verified Answer
The correct answer is: 50

tan30o=x-25d

and tan60o=x+25d

tan30otan60o=x-25x+2513=x-25x+25

x+25=3x-75

2x=100x=50m

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.