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SSC GD Constable 15 Feb 2019 Shift 3 Paper

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Question : 57

Total: 100

The average of 13 numbers is 65. The average of first three numbers is 63 and that of next 9 numbers is 64.5. The 11^th number is 2 more than the 12^th number but less than 13^th the by 2.5. What is the average of 11^thand 12^th number?

73.5
72
75.5
75

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