Saved Bookmarks
| 1. |
ABC can do a part of work in 15 days. If b can do the work in 30 days and c can do the work in 40 days in how many days will a can do the work .Who comes first will become as brainliest |
Answer» Given :A + B + C = 15 days B = 30 days C = 40 days. According to the question :A + B + C ' s 1 day WORK = 1 / 15 B ' s 1 day work = 1 / 30 C ' s 1 day work = 1 / 40. LCM = 15 , 30 , 40 = 720 Equation :☞ 1 / 15 - 1 / 30 - 1 / 40 ☞ 48 - 24 - 18 / 720 ☞ 48 - 42 / 720 ☞ 6 / 720 ☞ 120. Therefore, A can do thework in 120 days☺ |
|