CBSE Class 12-science Answered
In how many different ways can 21 identical Mathematics books & 19 identical Chemistry books be arranged on a shelf in a row so that no two chemistry books are together??
Asked by GeoffreyRichards | 04 Dec, 2010, 02:57: PM
Expert Answer
Dear Student
Here is the solution of your question
21 identical Math books be arranged in only 1 way and between these 22 places one can arrange 19 books of chemistry so we must choose 19 places in 22 C 19 ways = 1540 ways
Hope it calrifies your doubt
Regards
Regards
Team Topper
Answered by | 07 Dec, 2010, 09:52: AM
Concept Videos
CBSE 12-science - Maths
Asked by janusingh736 | 13 Mar, 2024, 04:19: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by khushisjkvm | 04 Jan, 2024, 07:14: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by ashwinskrishna2006 | 26 Dec, 2023, 07:34: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by babitdevi283 | 14 Nov, 2023, 09:42: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by surajsharmaisonline | 20 Jan, 2023, 12:28: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by arjunsah797 | 03 May, 2022, 10:04: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by rairp2017 | 27 May, 2021, 12:21: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by 1999shaileshraj | 22 Feb, 2020, 11:50: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by lovemaan5500 | 07 Feb, 2020, 09:47: AM
ANSWERED BY EXPERT