alleryA shopkeeper counts 475 pencils in packs of 5. Do they divide into whole packs?
ANo, it ends in 7
BYes, it ends in 5
CNo, it ends in 5
DYes, it ends in 7
Answer & Solution
Correct answer: B. Yes, it ends in 5
1. The last digit of 475 is 5.
2. A number ending in 0 or 5 is divisible by 5, so the packs come out whole (95 packs).
3. A last digit of 7 would not work.
_Source: Wikipedia, Divisibility rule, section Divisibility by 5_
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