CBSE Class 11-science Answered
A bag contains 20 tickets numbered with 1
to 20. Three tickets are drawn. The probability
that ticket number 7 is definitely included
and ticket number 18 is not included is-
Asked by RIZWAN YASIN | 08 Dec, 2013, 11:42: PM
Expert Answer
Total number of ways selecting three tickets out of 20 is 20C3.
The number of ways in which ticket 7 is definitely included and ticket number 18 is not included out of 18 cards is 18C2.
Therefore, the probability that ticket number 7 is definitely included and ticket number 18 is not included is -
Answered by Vimala Ramamurthy | 09 Dec, 2013, 08:59: AM
Concept Videos
CBSE 11-science - Maths
Asked by c65118124 | 17 Jan, 2024, 03:18: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by gdeadshot85 | 23 Feb, 2023, 11:35: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by ibcmw4 | 16 Jul, 2022, 08:14: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by ahalyasahoo2511 | 27 Jun, 2022, 09:07: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by vermaaakshat476 | 05 Jun, 2022, 11:27: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by sangitakavediya007 | 29 Sep, 2019, 04:10: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by Topperlearning User | 12 Aug, 2014, 11:44: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by Topperlearning User | 12 Aug, 2014, 10:54: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by Topperlearning User | 12 Aug, 2014, 11:01: AM
ANSWERED BY EXPERT