SSC CPO 9 Nov 2022 Shift 1 Paper

Question : 113 of 200

Marks: +1, -0

To do a certain task X would take 3 times as long as Y and Z together, and Z would takes 4 times as long as Y and X together. Three of them together can complete the task in 10 days. How much time is taken by X and Z to complete the task?