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A class is divided into 3 equal groups a...

A class is divided into 3 equal groups and the class is given 5 test in Maths. Average score of the groups and the tests is given below. The average score of the entire class in Test II is

A

14.8

B

13.5

C

10

D

12.5

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The correct Answer is:
D
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KIRAN PUBLICATION-STATISTICS AND DATA INTERPRETATION-TYPE-VI
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