https://preparationpoint.info/mathematics-mcqs/basic-maths-mcqs/p-and-q-can-complete-a-work-in-15-days-and-10-days-respectively-they-started-the-work-together-and-then-q-left-after-2-days-p-alone-completed-the-remaining-work-the-work-was-finished-in__________da-2/