state gov Odisha Fireman Mock Test 2023 Quantitative Aptitude Ratio and Proportion Direct or Indirect Proportion
Three persons are walking from A to B, Their speeds are in the ratio of 5 : 4 : 3. The time ratio to reach B will be _____.
1
5 : 4 : 3
2
3 : 4 : 5
3
20 : 15 : 12
4
12 : 15 : 20