GMAT Data Sufficiency — Practice Question DS-390
Data Sufficiency00:00
More Data Sufficiency practice
- DS-389If S is the sum of the first n positive integers, what is the value of n ? (1) S < 20 (2) S^2 > 220 DS84302.01
- DS-391If integer p is a factor of 42, is p a prime number? (1) p > 6 (2) p < 21 DS21228
- DS-388If 2x + 3y = 5, what is the value of x ? (1) x + z = 3 + 2y + z (2) y = â 1 7 â 1 7 DS21227
- DS-392What is the value of t ? (1) The average (arithmetic mean) of t^2 and 8t is â8. (2) t 4 â â â =16 ð…