state gov RSMSSB Junior Accountant Mock Test 2023 Quantitative Aptitude Ratio and Proportion Mean Proportional
When x is subtracted from each of 43, 38, 11 and 10, the numbers so obtained in this order, are in proportion. What is the mean proportional between (5x + 1) and (7x + 4)?
1
28
2
15
3
20
4
12