In a survey of 496 college students, it was determined that

356 owned an iPad.

293 owned a laptop.

285 owned a gaming system.

193 owned an iPad and a laptop.

200 owned an iPad and a gaming system.

139 owned a laptop and a gaming system.

68 owned an iPad, a laptop, and a gaming system.

Construct a Venn diagram and determine how many students surveyed owned

a) only an iPad.

b) exactly one of these devices.

c) a laptop and a gaming system, but not an iPad.

d) an iPad or a laptop, but not a gaming system.

e) exactly two of these devices.