engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Ratio and Proportion Mean Proportional
When x is subtracted from each of 21, 22, 60, and 64, the numbers so obtained in this order are in proportion. What is the mean proportional between (x + 4) and (\(\frac{x}{2}\) - 1)?
1
8
2
6
3
5
4
12