GMAT Question of the Day – DS Rate/Work Three machines J, K, and L working simultaneously but independently at their respective rates can complete a certain task in 32 hours. What proportion of the completed task did machine K complete? (1) Machines J and K working simultaneously but independently at their respective rates can complete […]
GMAT Question of the Day – Rate/Work – April 29th Read the Full Article »
Atlantic GMAT Question of the Day – PS Combinations – April 28th, 2014 The buyer of a new car can choose from 5 different colors, 3 engine types, and either a basic or deluxe sound system. If Bill is planning to buy two new cars how many different combinations of the two cars are possible
GMAT Question of the Day – Combinations – April 28th Read the Full Article »
If integer K is equal to 172,31# with # representing the units digit of integer K. What is the value of #? (1) Integer K is not divisible by 9 (2) Integer K is divisible by 3 [spoiler]E.[/spoiler] Solution: Statement (1) – If K is NOT divisible by 9 then # cannot be 4 because
GMAT Question of the Day – Number Properties – April 25th Read the Full Article »
What is the units digit of (303^33) – (73^15)? A. 4 B. 5 C. 6 D. 7 E. 8 [spoiler]C.[/spoiler] Solution: When integers are multiplied by themselves they follow a repeating pattern. 3, 3*3, 3*3*3, 3*3*3*3 then it repeats 3*3*3*3*3 – 3, 9, 27, 81, 243. The units digit pattern of 3 is 3, 9,
GMAT Question of the Day – Number Properties – April 24th Read the Full Article »
(If you are just getting started you might want to start with the intro to the GMAT Study Schedule) GMAT Study Guide: Week 5 Things are getting serious in this GMAT Study Guide:) We are reaching the halfway point. The good news is that you should be seeing some improvement. Most of what the GMAT
GMAT Study Guide: Week 5 Read the Full Article »
