Asked by Anonymous
I have an SAT Question of the Day that I'm having trouble with. The question is: Seven cards in a pile are numbered 1 through 7. One card is drawn. The units digit of the sum of the numbers on the remaining cards is 7. What is the number on the drawn card?
The answer choices are:
1
3
5
6
7
Answers
Answered by
Reiny
The sum of 1+2+..+7 = 28
If after removing a card the unit digit of the sum of the remaining is 7, that sum could be either 27 or 17
For the 17, the card removed had to be a 10, not possible.
So the card removed was a 1
for the
If after removing a card the unit digit of the sum of the remaining is 7, that sum could be either 27 or 17
For the 17, the card removed had to be a 10, not possible.
So the card removed was a 1
for the
Answered by
anonomous
i don't know bcuz im only n da 6th grade
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.