The average of 11 results is 50. If the average of the first six results is 51 and that of the last six is 59, then find the sixth result?

Q. The average of 11 results is 50. If the average of the first six results is 51 and that of the last six is 59, then find the sixth result?

(A) 100

(B) 110

(C) 120

(D) 130

Answer: B

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