SOLUTION: For the past ten years a farmer has been recording the number of bushels of crop yield from the same parcel of land every year. On one of the numbers he recorded with an ink pen a

Question 1094681: For the past ten years a farmer has been recording the number of bushels of crop yield from the same parcel of land every year. On one of the numbers he recorded with an ink pen a drop of water has fallen making the number unreadable. The remaining nine numbers are 92,87,72,85,81,78,85,80 and 91. If the farmer is certain that the unreadable number is not the mode, then which of the following cannot be the unreadable number?
(A)93 (B)81 (C)84 (D)88 (E)79
I tried getting the average of all these numbers but it's not correct. Please help.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
For the past ten years a farmer has been recording the number of bushels of crop yield from the same parcel of land every year. On one of the numbers he recorded with an ink pen a drop of water has fallen making the number unreadable. The remaining nine numbers are 92,87,72,85,81,78,85,80 and 91. If the farmer is certain that the unreadable number is not the mode, then which of the following cannot be the unreadable number?
(A)93 (B)81 (C)84 (D)88 (E)79
I tried getting the average of all these numbers but it's not correct. Please help.

You don't need to calculate the average. 

Since 81 is ALREADY one of the numbers, then . 

In other words, the number can be any of the 5 choices (A - E), except 81. 

RELATED QUESTIONS

A farmer produced 750 bushels of a certain crop at a cost
of $20 per bushel. If the... (answered by LinnW)
A company bought a parcel of land twenty years ago.  The land is currently worth... (answered by ankor@dixie-net.com)
you can use the function b=-0.01t^2 + 0.8t to find the number of bushels b of walcuts... (answered by lwsshak3)
A farmer has 1000 acres of land on which he plans to grow corn, wheat, and soybeans.  The  (answered by ankor@dixie-net.com)
A farmer has 200 hectares of land suitable for cultivating crops A, B, and C. The
cost... (answered by mananth)
A farmer produced 28bu./acre on 400 acres. Another farmer has 800 acres. How many total... (answered by srinivas.g)
A farmer finds that if she plants 95 trees per acre, each tree will yield 30 bushels of... (answered by greenestamps)
A farmer has 200 acres of land suitable for cultivating crops A, B and C. The cost per... (answered by Theo)
A triangular parcel of land has the border lengths of {{{ 55 }}} meters, {{{ 85 }}}... (answered by ikleyn)