Can a certain rectangular sheet of glass be positioned…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether a rectangular sheet of glass can cover an entire rectangular tabletop. We are given that the edges must be …
Is 4^(x + y) = 8^(10) ? (1) x – y = 9 (2) y/x = 1/4
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether 4^(x+y) = 8^10. We start by breaking down our two bases into prime factors. 4^(x+y) = (2^2)^(x+y) = 2^(2x+2y) …
We are given that the selling price of an article is equal to the cost of the article…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that the selling price of an article is equal to the cost of the article plus the markup. We define some …
Terry holds 12 cards, each of which is red, white, green, or blue. If…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that Terry has 12 total cards. The cards are colored red, white, green, or blue. We need to determine whether the …
A scientist recorded the number of eggs in each of 10 birds…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are asked to determine the standard deviation of the number of eggs in 10 nests. Statement One Alone: The average (arithmetic mean) number …
The average (arithmetic mean) price of the 3 items that Kate
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that Kate purchased 3 items from a store at an average price of $50. We are also given that there was …
For the system of equations given, what is the value of z…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given 3 equations: 1) x – 4 = z 2) y – x = 8 3) 8 – z = t We …
The interior of a rectangular carton is designed by a certain
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that a rectangular carton has a length of 48 cm, a width of 32 cm, and a height of 15 cm. …