state gov DSSSB Warder, Assistant Superintendent, Matron Mock Test 2024 Quantitative Aptitude Ratio and Proportion Direct or Indirect Proportion
P varies directly as (Q + 3) and Q varies directly as (R2 + 3). In a particular case P = 20, Q = 7 and R = 5. What will be the value of P, when R = 9?
1
48
2
52
3
38
4
28