SSC CGL Tier II Quant 29 Jan 2022 Paper

The ratio of the distance between two places A and B to the distance between places B and C is 3 ∶ 5. A man travels from A and B at a speed of x km/h and from B to C at a speed of 50 km/h. If his average speed for the entire journey is 40 km/h, then what is the value of (x – 10) : ( x + 1)?