It is known that no more than 7 children will be attending a party. What is the smallest number of cookies that must be brought to the party so that each child receives the same number of cookies?
Answers:
A) 220 B) 250 C) 320 D) 420 E) 560
No more than 7 children attending the party means the number of children could be 1,2,3,4,5,6,7.   We need to find a number that is divisible by each of these. Out of the choices given only 420 is divisible by each of these numbers.   Hence , answer is 420.
<result>D</result>
It is known that no more than 7 children will be attending a party. What is the smallest number of cookies that must be brought to the party so that each child receives the same number of cookies?