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The given chart shows the number of students in Class 4, Class 5, Class 6 and Class 7 who got first class, second class and failed in the final examinations. Find the ratio of number of students who got first class in class 4 to second class in class 7

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A9 : 5

B5 : 9

C9 : 7

D3 : 2

Answer:

A. 9 : 5

Read Explanation:

first class in class 4 : second class in class 7 = 45 : 25 = 9 : 5


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