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there are three columns of balloons having 5,4,3 balloons. in how many ways all the balloons can be shot. balloons are hanging from ceiling. so the lower balloon has to be shot first. one has to shot all 12 balloons


there are three columns of balloons having 5,4,3 balloons. in how many ways all the balloons can be shot. balloons are hanging from ceiling. so the lower balloon has to be shot first. one has to shot all 12 balloons


29-Dec-2016 3:05 PM
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