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Sec 5 WA2 Revision

Authored by M OK

Mathematics

8th - 10th Grade

Used 2+ times

Sec 5 WA2 Revision
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15 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Probability:

There are 7 blue marbles and 3 red marbles in a bag.

Two marbles are chosen at random, without replacement.

Find the probability that both are of different colours.

Answer explanation

P(RB) + P(BR)

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Probability:

There are 7 blue marbles and 3 red marbles in a bag.

Two marbles are chosen at random, without replacement.

Find the probability that both are of the same colour.

Answer explanation

1 - P(both are of different colours)

or

P(BB) + P(RR)

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Answer explanation

Use interior angles

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Answer explanation

Interior angles.

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Answer explanation

-2 divided by 6

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Vectors:

There is a point D such that ABCD is a parallelogram.

Find the coordinates of D.

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