The average of 8 numbers is 20. The average of first two numbers is 151and that of the next three is 211 If the sixth number be less than the 23 seventh and eighth numbers by 4 and 7 respectively, then the eighth number is :

The average of 8 numbers is 20. The average of first two numbers is 1

1.	The average of 8 numbers is 20. The average of first two numbers is 151and that of the next three is 211 If the sixth number be less than the 23 seventh and eighth numbers by 4 and 7 respectively, then the eighth number is :
A.	18
B.	22
C.	25
D.	27
Answer» D. 27

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The average of 8 numbers is 20. The average of first two numbers is 151and that of the next three is 211 If the sixth number be less than the 23 seventh and eighth numbers by 4 and 7 respectively, then the eighth number is :

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