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maths-aptitude: What is the smallest number of articles in the bag?

A bag contains printed articles of 4 different kinds: periodicals, novels, newspapers and hardcovers. When 4 articles are drawn from the bag without replacement, the following events are equally likely:
* the selection of 4 periodicals
* the selection of 1 novel and 3 periodicals
* the selection of 1 newspaper, 1 novel and 2 periodicals and
* the selection of 1 article of each kind

What is the smallest number of articles in the bag satisfying these conditions? How many of these are of each kind?

maths x 2
aptitude x 2
Posted On : 2017-08-26 17:21:14.0
profile Divesh - anyforum.in Divesh
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I think the minimum number of articles satisfying all mentioned conditions will be 7 as per below set:

4 periodicals
1 novel
1 newspaper
1 hardcovers

Posted On : 2017-08-28 23:13:37
Satisfied : 0 Yes  0 No
profile Garima Gupta - anyforum.in Garima Gupta
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