If N = 775 × 778 × 781, what is the remainder when N is divided by 14?
A) 6
B) 7
C) 8
D) 9
E) 10
The OA is A.
Is there any way to solve it without finding the expression for N?
If N = 775 × 778 × 781, what is the remainder when N is. .
This topic has expert replies
GMAT/MBA Expert
- Jay@ManhattanReview
- GMAT Instructor
- Posts: 3008
- Joined: Mon Aug 22, 2016 6:19 am
- Location: Grand Central / New York
- Thanked: 470 times
- Followed by:34 members
The remainder of 775 × 778 × 781, when divided by 14, would be equal to the remainder of the product of reminders that each number leaves when each is divided by 14.Vincen wrote:If N = 775 × 778 × 781, what is the remainder when N is divided by 14?
A) 6
B) 7
C) 8
D) 9
E) 10
The OA is A.
Is there any way to solve it without finding the expression for N?
- Remainder when 775 divided by 14 = 5;
Remainder when 778 divided by 14 = 8;
Remainder when 781 divided by 14 = 11
The remainder of 775 × 778 × 781 when divided by 14 = 6
The correct answer: A
Hope this helps!
Download free ebook: Manhattan Review GMAT Quantitative Question Bank Guide
-Jay
_________________
Manhattan Review GMAT Prep
Locations: New York | Hyderabad | Mexico City | Toronto | and many more...
Schedule your free consultation with an experienced GMAT Prep Advisor! Click here.