Teaching DSSSB PRT Special Educator Mock Test Quantitative Aptitude Ratio and Proportion Mean Proportional
What is the ratio of the mean proportional between 24.2 and 7.2, and the third proportional of 2.8 and 4.2?
1
44 ∶ 41
2
44 ∶ 31
3
34 ∶ 21
4
44 ∶ 21