engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Ratio and Proportion Mean Proportional
x is the 4th proportional to 12, 16 and 5; and 20, y, 15, 21 are in proportion. Then the value of (6x – y) is:
1
9
2
18
3
13
4
12