Question

IN AN EXAMINATION 40%OF THE STUDENTS FAILED IN MATHS,30% FAILED IN ENGLISH AND 10% FAILED IN BOTH . FIND THE PERCENTAGE OF STUDENTS WHO PASSED IN BOTH THE SUBJECTS ---------------------

Answer 1

As it is given that 10℅ of the students failed in both subjects,
It's quite easy to find out the percentage of students who passed in both subjects:
100-10=90℅.
Hope it helps you...
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