5. A, B and C can do a piece of work in 12, 15 and 20 days respectively.
How long will they take to do it working together?
Answers
Answered by
1
These pictures are from R.S. Aggarwal book. The question and solution was there in the book.
Attachments:
Similar questions
Math,
1 month ago
Computer Science,
3 months ago
Math,
3 months ago
Hindi,
10 months ago
Math,
10 months ago