railway RRB Group D Mock Test Series 2024-25 Quantitative Aptitude Ratio and Proportion Fourth Proportional
The angles in a quadrilateral PQRS are such that angle S is fourth proportional of angles P, Q and R. If the ratio of angles Q and P is 5 : 4, and angle S is 125°, find the measure of angle R.
1
90°
2
100°
3
108°
4
120°