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Three persons are walking from A to B. Their speeds are in the ratio of 4 : 3 : 5. The time ratio to reach B will be1. 4 : 3 : 52. 5 : 3 : 43. 15 : 9 : 204. 15 : 20 : 12 |
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Answer» Correct Answer - Option 4 : 15 : 20 : 12 Given: Three person are walking from A to B. Their speed are in the ratio = 4 : 3 : 5. Formula used: Time = Distance/Speed Calculation: Time = 1/4 : 1/3 : 1/5 Let L C M of 4, 3, and 5 = 60 Time (1/4)× 60 : (1/3)× 60 : (1/5)× 60 ∴ The time ratio will be 15 : 20 : 12. |
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