The average of 20 numbers is 65, The average of the first 9 numbers is – McqOptions

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1.	The average of 20 numbers is 65, The average of the first 9 numbers is 68 and the average of next 8 numbers is 62. If the 18th number is 3 more than 19th number and 9 less than 20th number, then what is the average of 19th and 20th number?
A.	65.5
B.	65
C.	64.5
D.	66
Answer» C. 64.5

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