1.A passenger train takes 5hrs less for a journey of 396 kmif its speed is increased by 55kmph from its normal speed.The normal speed (to the nearest kmph) is
a)None b)44 c)55 d)66; 1.A passenger train takes 5hrs less for a journey of 396 kmif its speed is increased by 55kmph from its normal speed.The normal speed (to the nearest kmph) is; a)None b)44 c)55 d)66
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