In a 100m race, Kamal defeats Bimal by 5 seconds. If the speed of Kamal is 18 kmph, then the speed of Bimal is:

• ক 15.4 kmph
• খ 14.4 kmph ✅ সঠিক উত্তর
• গ 14.5 kmph
• ঘ 14 kmph