A) 10.3
B) 12.6
C) 13.5
D) 15.5
Correct Answer: B
Solution :
6th number \[=(6\times 10.4+6\times 11.5-11\times 10.8)\] \[=(62.4+690.-118.8)\] \[=131.4-118.8=12.6\]You need to login to perform this action.
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