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58
M: +2.00/-0.50

The average marks obtained by 120 students in an examination is 50. If the average marks of passed students is 70 and average marks of the failed students is 30. then what is the number of students who passed the examination?

 

[SSC CHSL 20th March 2023 Shift-2 With Answers]
A
B
C
D

EXPLANATION

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