Q29 of 141 Page 8

If the arithmetic mean of 7, 8, x, 11, 14 is x, then x =

Terms are 7, 8, x, 11, 14


No of terms = 5


We know that


Mean



⇒ 5x = x + 40


⇒ 4x = 40


⇒ x = 10


Hence, correct option is (C)

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