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More about Necessary and Sufficient Conditions

Total questions: 7

Worksheet time: 35mins

Name
Class
Date
1.

Being the President of the United States is a necessary condition for being a politician.

a)

True

b)

False

2.

Choose the most appropriate category for the following ordered pair:

Water : Plant growth

a)

Necessary

b)

Sufficient

c)

Both

d)

Neither

3.

Choose the most appropriate category for the following ordered pair:

Being difficult to understand : Being a philosopher

a)

Necessary

b)

Sufficient

c)

Both

d)

Neither

4.

Choose the most appropriate category for the following ordered pair:

Having gills: Breathing underwater

a)

Necessary

b)

Sufficient

c)

Both

d)

Neither

5.

If Y is true when X is true, then X is a (a)   condition for Y.

6.

If Y is true only when X is true, then X is a (a)   condition for Y.

7.

Which of the following are sufficient, but not necessary, conditions for cooking potatoes?

Choose all answers that apply:

a)

Baking the potatoes

b)

Water

c)

Boiling the potatoes