1) What is the ratio of the speeds of vehicle D and vehicle E on day 2? A) 15 :13 B) 17 :13 C) 13 : 11 D) 17 :1.4 E) None of these Answer: Option BExplanation:Speeds of vehicles on Day 1: A → 83216 = 52 Km/hr B → 51612 = 43 Km/hr C → 69311 = 63 Km/hr D → 55212 = 46 Km/hr E → 93517 = 55 Km/hr F → 70319 = 37 Km/hr Speeds of vehicles on Day 2: A → 86416 = 54 Km/hr B → 77418 = 43 Km/hr C → 81018 = 45 Km/hr D → 76515 = 51 Km/hr E → 54614 = 39 Km/hr F → 63612 = 53 Km/hr Required ratio = SpeedofDonday2SpeedofEonday2 = 5139 = 1713 = 17:13