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52
M: +2.00/-0.50

The average of 52, 71, 43, 22, a, and b is 55 and the average of 42, 45, 49, 51, 42, c, and d is 53 . What is the average of a, b, c, and d?

 

[SSC CGL 11th April 2022 Shift-3 With Answers]
A
B
C
D

EXPLANATION

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