The mean of 11 numbers is 35. If the mean of first six numbers is 32 and that of the last six numbers is 37, then the 6th number is:
Answer & explanation
Correct answer: option 2
Mean of 11 numbers = 35
Sum of 11 numbers = 35*11 = 385
Mean of first six numbers = 32
Sum of First Six Numbers = 32*6 = 192
Mean of last six numbers = 37
Sum of last Six Numbers = 37*6 = 222
Thus 6th number = (222+192)-385 = 29
The correct answer is Option (2) → 29