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Mathematics, 23.10.2020 06:01 iris7324

In a exam, student passed in maths, 70 failed in maths, 90 failed in science and 20 failed in both. How many passed in science. how many passed in both?

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In a exam, student passed in maths, 70 failed in maths, 90 failed in science and 20 failed in both....
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