<prompt> Which of the following is abnormal?Respiratory rate 40min in a child between 2-12 months ageRespiratory rate 50min in a child between 2-12 months ageRespiratory rate 30min in a child between 1-5 years ageRespiratory rate 50min in a child between 2 months age  <response>: b. Respiratory rate 50min in a child between 2-12 months ageRef: Nelsons 20e p 2088-2093, Ghai 8e p 379-381Cut-off for fast breathing:Age2 months2-12 months12-60 monthsRespiratory Rate60min50min40min 