A group of five students took a test, another student joins the group after taking the test later. With her marks included, the average score of the group went up by 2 marks. This student has got____ marks more than the average marks without her being included.

A group of five students took a test, another student joins the group

1.	A group of five students took a test, another student joins the group after taking the test later. With her marks included, the average score of the group went up by 2 marks. This student has got____ marks more than the average marks without her being included.
A.	15
B.	14
C.	12
D.	18
Answer» D. 18

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A group of five students took a test, another student joins the group after taking the test later. With her marks included, the average score of the group went up by 2 marks. This student has got____ marks more than the average marks without her being included.

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