railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Ratio and Proportion Fourth Proportional
For the value of 'k' (k>0), is subtracted from each of 19, 20, 28 and 38, the numbers obtained in this order are in proportion. Find the fourth proportional for 6k, (3k - 36) and 4k2.
1
512
2
243
3
343
4
216