IBPS PO Prelims 23 Sept 2023 Shift 1 Paper

Two cars 'M' and 'N' leave from point 'P' towards point 'Q' with car 'M' leaving 1 hour earlier than car 'N'. Both the cars travel first 100 km at 50 km/hr, next 50 km at 25 km/hr and the remaining distance at 20 km/hr. If the distance between 'P' and 'Q' is 250 km, the find the distance between car 'N' and half of the distance between points 'P' and 'Q', when car 'M' reaches point 'Q'?