A group of 50 students were required to clear 2 tasks, one in rock-climbing and the other in bridge crossing during an adventure sports expedition. 30 students cleared both the tasks. 37 cleared bridge crossing, 38 students cleared rock-climbing. how many students could not clear any task
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37+(38-30)
=37+8
=45
50-45
=5
answer is 5 student could not clear any task
=37+8
=45
50-45
=5
answer is 5 student could not clear any task
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