In a class of 25 students,12 students have taken economic,8 have taken economic but not maths.find.(1) the no of students who have economic and maths.(2) those who have taken maths but not economic.
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Step-by-step explanation:
(1) ..maths + economics = 12-8 = 4
students who have taken at least maths
= 25-12 = 13
(2)students who have taken only maths
= 13- 4 = 9
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