Hello Aspirant,
Above question can be solved using vectors or using the trigonometric formulas. Consider adjacent side as V1 and opposite as V2 which is velocity of rain drop. Now use tan teta for the answer. The answer probably is 15.2 km/hr.
Hope the answer helped you!
Good luck!
College Comparison based on Courses, Placement, Rank, Fee
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile