Mean of 28, 30, 26, (K+6) and (K+1) is 25. Find the mean of 32, 39, and 2k. |
25 30 35 36 |
35 |
Mean of 28, 30, 26, (K+6) and (K+1) = 25
(28+30+26+k+6+k+1)/5 = 25 2k+91 = 125 2k = 34 k = 17
mean of 32, 39, and 2k = (32+39+2*17)/3 = 105/3 = 35 The correct answer is Option (3) → 35
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