154 pencils are distributed to children with the same number. What can’t be the range including the number of children?
Answers:
A) 50~60 B) 10~20 C) 20~30 D) 1~10 E) 70~80
154 candies are distributed to children with the same number. What can’t be the range including the number of children?   A. 1~10 B. 10~20 C. 20~30 D. 40~50 E. 70~80   -&gt; In 154=1*154=2*77=7*22=11*14, you can come up with 4 cases. One is distributing 77 candies to 2 children each. Another is distributing 2 candies to 77 children each. Also, you can distribute 22 candies to 7 children. The other is distributing 7 candies to 22 children. Amongst these cases, what is not included is a. 50~60. Therefore, the answer is 50~60.
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154 pencils are distributed to children with the same number. What can’t be the range including the number of children?