there are 50 students in a class. 88% % passed in mathematics. the same number of boys and girls failed in exam. If 42% are girls. how many boys passed in the exam.
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total fail students= 12%= 6..
then no of boys failed=no of girls failed...
so 3 boys failed...
total no of girls= 21=42%....so
total boys..= 29....
passed boys = 29-3=26
then no of boys failed=no of girls failed...
so 3 boys failed...
total no of girls= 21=42%....so
total boys..= 29....
passed boys = 29-3=26
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