Search found 3 matches
A university cafeteria offers 4 flavors of pizza – pepperoni, chicken, Hawaiian and vegetarian. If a customer has an option to add extra cheese, mushrooms, or both to any kind of pizza, how many different pizza varieties are available? a) 12 b) 16 c) 8 d) 20 c) 10 OA {B} Is it 16? 12 with the che...
- by patco
Wed Oct 07, 2015 1:28 pm- Forum: Problem Solving
- Topic: Simple one :)
- Replies: 10
- Views: 6519
IF THE AVERAGE OF X AND Y IS 60 AND THE AVERAGE OF Y AND Z IS 80, WHAT IS THE VALUE OF Z-X? A. 70 B. 40 C. 20 D. 10 E. IT CANNOT BE DETERMINED FROMTHE INFORMATION GIVEN. THE AVERAGE OF X AND Y IS 60 So, (X + Y)/2 = 60 Multiply both sides by 2 to get: (X + Y) = 120 THE AVERAGE OF Y AND Z IS 80 So, (...
- by patco
Wed Oct 07, 2015 1:26 pm- Forum: Problem Solving
- Topic: AVERAGE OF X AND Y
- Replies: 4
- Views: 2637
Hi Bullzi, Taking an 'algebra-heavy' approach to Absolute values might be what's causing the 'trouble' that you're experiencing. Most (if not all) Absolute Value questions can be solved with a bit of 'brute force' and TESTing VALUES. Do you have any examples of specific Absolute Value questions tha...
- by patco
Wed Oct 07, 2015 1:19 pm- Forum: GMAT Math
- Topic: Understanding Absolute Values
- Replies: 6
- Views: 5660