Forum Home > GMAT > Quantitative > Problem Solving (PS)
Events & Promotions
Last visit was: 03 Aug 2024, 12:45 
It is currently 03 Aug 2024, 12:45 
Customized
for You
Track
Your Progress
Practice
Pays
06:30 AM PDT
07:15 AM PDT
07:30 AM PDT
08:15 AM PDT
01:30 PM IST
01:30 PM IST
11:00 AM IST
01:00 PM EDT
08:30 AM PDT
09:30 AM PDT
05:55 AM PDT
12:30 PM PDT
Difficulty:
Question Stats:
55% (02:27) correct 45% (02:51) wrong based on 182 sessionsWe will have two cases  
Case 1: z30  43 = +36 => z30 = 36 + 43 = 79 => z30 = +79 or z30 = 79 => z = 79 + 30 or z = 79 + 30 => z = 109 or 49 Remainder(r) when 109 is divided by 7 = 4 Remainder(r) when 49 is divided by 7 = 0  Case 2: z30  43 = 36 => z30 = 36 + 43 = 7 => z30 = +7 or z30 = 7 => z = 7 + 30 or z = 7 + 30 => z = 37 or 23 Remainder(r) when 37 is divided by 7 = 2 Remainder(r) when 23 is divided by 7 = 2 

Announcements
Nanyang Business School
Tuck at Dartmouth
