What is the value of n…
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of n in the list: n, 15, 12, 9, 20. Statement One Alone: n > 12 Only knowing …
Tag: data sufficiency
In triangle PQR, if PQ = x, QR = x + 2, and PR = y…
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We start by sketching the triangle. We need to determine the angle with the greatest degree measure. Remember that the angle with the greatest …
The number of seats in the first row of an auditorium is 18…
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that there are 18 seats in the first row of an auditorium and that in each row after the first there …
If n + k = m, what is the value of k ?
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that n + k = m, and we need to determine the value of k. Since we know that n + …
If Car X followed Car Y across a certain bridge that is 1/2…
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that Car X follows Car Y across a bridge that is ½ mile long. We need to determine the time, in …
What is the cube root…
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine the cube root of w. Thus, if we have a value for w, we can determine the value of the …
If i and j are integers, is i + j an even integer?
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether i + j is an even integer. Remember: even + even = even odd + odd = even Thus, …
Is x a negative…
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether x is a negative number. Statement One Alone: 9x > 10x We can subtract 9x from both sides of …