engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Ratio and Proportion Fourth Proportional
When x is substracted from each of 55, 50, 23 and 22, the numbers so obtained in this order, are in proportion. What is the fourth proportional of 3, 7 and x?
1
35
2
27
3
40
4
30