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Three problems (Posted on 2004-01-16) Difficulty: 3 of 5
In a contest of intelligence, three problems A, B and C were posed.

Among the contestants there were 25 who solved at least one problem each.

Of all the contestants who did not solve problem A, the number who solved B was twice the number who solved C.

The number of participants who solved only problem A was one more than the number who solved problem A and at least one other problem.

Of all students who solved just one problem, half did not solve problem A.

How many students solved only problem B?

See The Solution Submitted by Ravi Raja    
Rating: 3.6000 (5 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
answer Comment 3 of 3 |
The number of students who solved only problem B is 6
  Posted by K Sengupta on 2007-12-23 12:07:24
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