In the two-digit integers 3◻ and 2△…
December 19, 2017
GMAT OFFICIAL GUIDE DS Solution: We know the product (3◻)(2△) is equal to 864. Let’s first factor 864: 864 = 8 x 108 = 2^3 x 9 x 12 …
For a certain city’s library, the average cost of purchasing each…
December 19, 2017
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether the library received a bonus of $2,000 last year. Keep in mind that the library will only receive the …
Max purchased a guitar for a total of $624,which consisted of the price…
December 19, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that Max purchased a guitar for a total of $624, which was the price of the guitar and the sales tax. …
Is x 5 (2) x^2 + x < 5
December 19, 2017
GMAT OFFICIAL GUIDE DS – Solution: We need to determine whether x < 5. Statement One Alone: x^2 > 5 If x = 3, then x is less than …
If x, y, and z are positive numbers, what is the value…
December 19, 2017
GMAT OFFICIAL GUIDE DS – Solution: We need to determine (x + z)/2. Statement One Alone: x – y = y – z Simplifying the equation, we have: x …
Is the product of two positive integers x and y divisible by…
December 19, 2017
GMAT Guide Solution: We can write the question: Is xy/(x + y) = integer? Statement One Alone: x = y Since x = y, we have: Is xy/(x + …
If r and t are three-digit positive integers, is r greater than t
December 19, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that r and t are three-digit positive integers and need to determine whether r is greater than t. Statement One Alone: …
In the multiplication table above, each letter represents an
December 19, 2017
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of c. Following our table, we have: a x c = f b x c = h and …