The average of seven numbers is 22. The average of first three numbers is 14 and the average of last three numbers is 19. What is the middle number?\nOptions:\n(A) 25\n(B) 27\n(C) 29\n(D) 32\n(E) 55 Stream of consciousness first, then make a decision:
User
The total of seven numbers = 7X22 = 154\nThe total of first 3 and last 3 numbers is = 3 X 14+3 X 19 = 99\nSo, the middle number is (154 - 99 ) = 55
Thus, the answer is (E).
Assistant