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CBSE Class 10 Answered

  1. 1000 tickets of lottery were sold and there are 5 prizes on these tickets.If  Sucharita has purchased 2 tickets , then what is the probability of wining a prize ?
  2. 1000 tickets of lottery were sold and there are 5 prizes on these tickets.If  Sucharita  has purshased  1 ticket, then what is the probability of wining a prize ?
Asked by sucharitasahoo1 | 24 Nov, 2017, 06:10: PM
answered-by-expert Expert Answer
Second part of your question

begin mathsize 16px style Favourable space cases space are space 5
and space total space cases space are space 1000
so space anwer space is space 5 over 1000 end style
 
For the first part, you need to know permutation and combination
which is not in our syllabus.

 
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