Quiz Class VIII 03.12.2023

What is a direct relationship between two variables?

• A direct relationship means that the variables are not related to each other
• A direct relationship means that as one variable stays the same, the other variable changes
• A direct relationship means that as one variable increases, the other variable decreases
• A direct relationship means that as one variable increases, the other variable also increases, or as one variable decreases, the other variable also decreases.

If y is directly proportional to x, and y = 15 when x = 3, what is the value of y when x = 5?

• 25
• 30
• 18
• 10

In a direct relationship, if one variable doubles, what happens to the other variable?

• It becomes zero
• It triples
• It halves
• It also doubles

If the cost of 5 books is $50, what is the cost of 8 books if the relationship is direct and proportional?

• $60
• $80
• $30
• $100

If the time taken to paint a wall is inversely proportional to the number of painters, what happens to the time if more painters are added?

• The time taken to paint the wall becomes unpredictable.
• The time taken to paint the wall remains the same.
• The time taken to paint the wall increases.
• The time taken to paint the wall decreases.

What is the correct sentence in the past perfect tense?

• She had finished her homework before dinner.
• She has finished her homework before dinner.
• She finishes her homework before dinner.
• She finished her homework before dinner.

Choose the sentence in the present continuous tense:

• I write a letter.
• I am writing a letter.
• I will write a letter.
• I wrote a letter.

Identify the sentence in the past continuous tense:

• I am studying for my exam when the power goes out.
• I was studying for my exam when the power went out.
• I will study for my exam when the power goes out.
• I studied for my exam when the power went out.

What is the correct form of the verb in the present perfect tense?

• is + v3

• has/have + v3

• was/were + v3

• will + v3

Choose the sentence in the simple future tense:

• I am going to the store now.
• I will go to the store tomorrow.
• I went to the store yesterday.
• I have gone to the store.