The average score in Mathematics of 90 students of sections A and B of – McqOptions

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1.	The average score in Mathematics of 90 students of sections A and B of class IX was 63. The number of students in A were 10 more than those in B. The average score of students in A was 30% more than that of students in B. The average score of students in B is:
A.	60
B.	50
C.	54
D.	56
Answer» D. 56

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