The sum of seven numbers is 235. The average of the first three is 23 and that

Question

The sum of seven numbers is 235. The average of the first three is 23 and that of the last three is 42. The fourth number is:

Options:

A . 40

B . 126

C . 69

D . 195

Answer: Option A

(23 Ã— 3 + x + 42 Ã— 3) =235
=> x = 40
Fourth number = 40

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