Basic Logic

What is y in this argument (if x then y, if y then z, therefore if x then z):

If you get good grades, then it will be easier to get a good job. If you get a good job, you will be happier. Therefore if you get good grades, you will be happier.

• get good grades

• get a good job

• be happier

What is z in this argument (if x then y, if y then z, therefore if x then z):

If you get good grades, then it will be easier to get a good job. If you get a good job, you will be happier. Therefore if you get good grades, you will be happier.

• get good grades

• get a good job

• be happier

Is this argument valid or invalid: If Ahmed goes to Paris, he will have a lot of fun. He didn't have a lot of fun. Therefore, he must not have gone to Paris.

• valid

• invalid

Is this argument valid or invalid: Either he will go to work, or he will stay home. He didn't go to work, so he must have gone to a football match.

• valid

• invalid

Is this argument valid or invalid: If a baby sleeps 10 hours, then he will learn to read. If he learns to read, he will become a CEO. Therefore, if a baby sleeps 10 hours, he will become a CEO.

• valid

• invalid

Is this argument sound: If a baby sleeps 10 hours, then he will learn to read. If he learns to read, he will become a CEO. Therefore, if a baby sleeps 10 hours, he will become a CEO.

• sound

• not sound

Identify the main clause in the following sentence: 'Although it was raining, we decided to go for a walk.'

• Although it was raining

• We decided to go for a walk

• It was raining

• To go for a walk

Choose the correct form of the verb to complete the sentence: 'Neither the teacher nor the students _____ ready for the exam.'

• was

• were

• is

• are

What is the meaning of the word 'ubiquitous' in the following sentence: 'Smartphones have become ubiquitous in modern society.'

• Rare

• Widespread

• Obsolete

• Expensive

Which of the following sentences is grammatically correct?

• She don't like apples.

• He doesn't likes apples.

• They doesn't like apples.

• She doesn't like apples.