engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) Quantitative Aptitude Ratio and Proportion Mean Proportional
When x is subtracted from each of the numbers 64, 81, 85 and 109, the numbers so obtained in this order are in proportion. What is the mean proportional between (x + 3) and (2x - 1)?
1
15
2
30
3
18
4
20