state gov UP Police Assistant Operator (Radio Cadre) Mock Test Quantitative Aptitude Ratio and Proportion Direct or Indirect Proportion
When x is added to each of 8, 14, 20, and 30, then the numbers, so obtained, in this order form a proportion. What is the mean proportional between (x – 2) and (7x + 2)?
1
25
2
16
3
24
4
12