Problems

Twenty Minute Quiz

Give yourself twenty minutes to solve the ten problems below.

1. 0.002 - 8 is equal to:

  1. 7.998
  2. -8.002
  3. 8.002
  4. -7.998
  5. -7.98

2. Which of the following numbers is closest to 37% of 85?

  1. 10
  2. 30
  3. 40
  4. 50
  5. 70

3. Which of the pieces fits into the space shown?

pieces

answers

 

4. All 550 pupils in a school are going on an outing by bus. A bus can carry 64 pupils. How many buses are needed?

  1. 8
  2. 8.59375
  3. 8.6
  4. 9
  5. 10

angle
5. In the diagram, the value of x is:

  1. 20
  2. 30
  3. 40
  4. 60
  5. 70

6. The positive integers are written in rows:

1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
... ... ... ... ...

The row which has a sum nearest in value to 150 is the:

  1. 5th
  2. 6th
  3. 7th
  4. 8th
  5. 26th

Cube
7. A piece of paper containing six joined squares labelled as shown in the diagram is folded along the edges to form a cube. The label on the face opposite the X is:

  1. Z
  2. U
  3. V
  4. W
  5. Y

8. If 10025 - 25 is expressed as an integer, the sum of the digits is

  1. 219
  2. 444
  3. 432
  4. 453
  5. 435

9. A butcher sells a large number of braaivleis packs, each containing ten items: 4 chops and 6 sausages. At the end of the day he has sold altogether C chops and S sausages. Which of the following equations is correct?

  1. S+C=10
  2. 4C = 6S
  3. 4S = 6C
  4. 4S + 6C = 10
  5. 4C + 6S = 10

??
10. The diagram shows a house built of dominoes. The house has four stories and uses 24 dominoes. How many dominoes are needed to build a house with 70 stories?

  1. 141
  2. 4899
  3. 5040
  4. 5041
  5. 2484
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