GMAT Question of the Day – DS Puzzle – May 1st, 2014 If x and y are integers, what is the value of x? (1) (x – y)(x + y) = 15 (2) x/y > 0 [spoiler]E.[/spoiler] (1) Always convert difference of squares – X^2 – y^2 = 15. Now you know that the difference […]
GMAT Question of the Day – Puzzle – May 1st Read the Full Article »
GMAT Question of the Day – DS # Properties – April 30th, 2014 Does the decimal equivalent of $$m^3/n^2$$, where m and n are positive integers, contain a finite number of non-zero digits? (1) (2n – 2)(2n – 4) is not divisible by 6 (2) m = $$10^x$$ where x is a positive integer [spoiler]C.[/spoiler]
GMAT Question of the Day – # Properties – April 30th Read the Full Article »
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 »
