In a class, 70 students wrote two tests viz; test- I and test- II. 50% of the students failed in test- I and 40% of the students in test- II. How many students passed in both tests?
In a class, 70 students wrote two tests viz; test- I and test- II. 50% of the students failed in test- I and 40% of the students in test- II. How many students passed in both tests?
