Author: Scott Woodbury-Stewart

GMAT OFFICIAL GUIDE DS Solution: We are given line l and are told that two points, N and Q, are to the right of point M.  We must determine …

GMAT OFFICIAL GUIDE DS Solution: We must determine whether the coat or the sweater was discounted by a greater amount. Statement One Alone:  The percent discount on the coat …

GMAT OFFICIAL GUIDE DS Solution: We are given that the balance in a checking account increased from May 1 to May 30. We must determine the balance of the …

GMAT OFFICIAL GUIDE DS Solution: We need to determine whether the product zp is negative. Statement One Alone:  pz^4 < 0 Using the information in statement one, we see …

GMAT OFFICIAL GUIDE DS Solution: We are given a parallelogram with three given angles. Let’s sketch the diagram below. Since we have a parallelogram we know that opposite angles …

GMAT OFFICIAL GUIDE DS Solution: We are given that a conveyer belt moves at a constant speed of 120 centimeters per second. We must determine whether the distance the …

GMAT OFFICIAL GUIDE DS Solution: We are given the following information in regard to products P and Q. Cost per unit of P = 8 dollars Revenue per unit …

GMAT OFFICIAL GUIDE DS Solution: We must determine whether (0.1)^n > (10)^n.  We can rephrase the question as: Is (1/10)^n > (10)^n ? This can be true only if …