1 In an examination, 80% of the students passed in mathematics and 70% passed in english, while 10% students - Maths -

Question

1 In an examination, 80% of the students passed in mathematics
and 70% passed in english, while 10% students failed in both the
subjects If 360 students passed in both the subjects, find the
total umber of students who appeared in the examination?
2 Electric tax is increased by 20% and its consumption is
decreased by 20% Then what is the change in the expenditure?

Brijendra P. · Accepted Answer

1)
Refer the similar link:
https://www meritnation
com/ask-answer/question/in-an-examination-80-students-passed-in-mathematics-72-p/sets/2385833

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