BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course
RedeemTarget Test Prep · GMAT
Learn live with an expert or move at your own pace. Every option includes the complete TTP study system.
15 live classes from Sep 28, 2026
with Logan Thompson
Complete access from day one. Study on your schedule.
Compare the format, schedule, and included access before enrolling. Prices and seat counts shown reflect the supplied offer details.
1 2 3 4 5 6 7 8 9 10 11 12lightbulb wrote:If N is a positive integer and R is the remainder when (N-1)(N+1) is divided by 24, what is the value of R?
(1) N is not divisible by 2
(2) N is not divisible by 3
OA: C
logitech wrote:1 2 3 4 5 6 7 8 9 10 11 12lightbulb wrote:If N is a positive integer and R is the
remainder when (N-1)(N+1) is divided by 24, what is the value of R?
(1) N is not divisible by 2
(2) N is not divisible by 3
OA: C
1) 1, 3, 5, 7, 9, 11 ; (N-1)(N+1) is divided by 24 gives us different R
2) 1,2,4,5,7,8,10 ; (N-1)(N+1) is divided by 24 gives us different R
1+2 ) 1,5,7,11 ' (N-1)(N+1) is divided by 24 gives us 0 as the remainder
Hence, C
cramya wrote:Logitech's solution is good.
Refer to Ian's explanation also (as best as it can get)
https://www.beatthegmat.com/gmat-prep-re ... 16996.html
New here Create free account
