What is the ratio between total number of students studying Science from Institutes C and D together and the total number of students studying Computer Science from these two Institutes together respectively ?

Solution

Total number of students studying science in from C and D = 360 + 420 = 780

Total number of students studying computer science from C and D = 380 + 340 = 720

So, the ratio = 780:720 = 13:12

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