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Out of 180 students in a class 7 student...

Out of 180 students in a class 7 students failed in all the three subjects viz. Physics, Chemistry, Maths only 144 students pass in only one subject and 21 students pass in only two subjects. How many students passed in at most two subjects but atleast in one subject?

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Out of 180 students in a class 7 students failed in all the three subjects viz. Physics, Chemistry, Maths only 144 students pass in only one subject and 21 students pass in only two subjects. How many students passed in atleast two subjects?

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