Material A costs $3 per kilogram, and Material B costs $5 per…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that material A costs $3 per kilogram and that material B costs $5 per kilogram. We also know that 10 kilograms …
If [x] denotes the greatest integer less than or equal to x
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether = 0 where denotes the greatest integer less than or equal to x. If the rule is hard to …
Each of the letters in the table above represents one of…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: Let’s start by sketching the given diagram: We are given that each letter represents one of the numbers 1, 2, or 3, and that …
What is the number of cans that can be packed in a certain…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine the number of cans that can be packed in a carton. Before moving to the statements we should recognize that …
If x is negative, is x 9 (2) x^3 < –9
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that x is negative, and we must determine whether x < -3. Statement One Alone: x^2 > 9 Taking the square …
The figure above represents a circle graph of Company H’s…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given a circle graph of Company H’s total expenses. Let’s start by sketching it below: We are given that the total expenses …
If r and s are the roots of the equation x^2 + bx + c = 0…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that r and s are both roots of the equation x^2 + bx + c = 0, where b and c …
Is rst = 1 ? (1) rs = 1 (2) st = 1
May 4, 2016
Is RST… Solution: We need to determine whether RST = 1. Statement One Alone: RS = 1 Since we don’t know the value of T, knowing only that RS …