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Exercise 3m Fractions

Authored by pretty nee

Mathematics

1st Grade

Exercise 3m Fractions
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6 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Man A and man B working together take 10 days to complete a project. If man A alone takes 15 days to complete a project, how many days does man B require?

28 days

20 days

30 days

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Man A takes 6 days to complete a project and man B takes 12 days to complete a project. If man A and man B work together, how many days will they require?

8 days

2 days

4 days

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Man A takes 12 days to complete a project and man B takes 15 days to complete a project. If man A and man B work together, how many days will they require?

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Man A and man B working together take 4 days to complete a project. If man A alone takes 6 days to complete a project, how many days does man B require?

12 days

11 days

10 days

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

There are three pipes A, B and C. Pipe A takes 9 days to fill up the empty pond, pipe B takes 12 days to fill up the empty pond, and pipe C takes 18 days to fill up the empty pond. How long will it take to fill up the empty pond if pipes A, B and C are turned on at the same time?

2 days

4 days

5 days

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

There are three pipes A, B and C; pipe A takes 8 minutes to fill up the pond. Pipe B takes 4 minutes to fill up the pond, pipe C takes 6 minutes to drain away all the water when the pond is full. How long will it take to fill up the empty pond, if pipes A, B and C are turned on at the same time?

4.8 minutes

5 minutes

3 minutes

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