1. Express seven million, six hundred and fifteen thousand and eight in numerals.

2. The mass of 10 Singapore $1 coin is about ______.

3. Express 0.018 as a percentage.

4. Find the difference between 0.08 and 7.324.

5. Find the product of 8/3 and 5/12.

6. How many quarter turns does the minute hand of a clock make from 10.30 a.m. to 1 p.m.?

7. A rectangular tank measures 20 cm by 20 cm by 30 cm.
What is the capacity of the tank?

8. Samad runs thrice a week. Each time, he runs 2 1/4 km from his home to the park. Then he returns on the same route from the park to his home.
What is the total distance that Samad runs in a week?

9. The figure below is divided into 36 equal squares.
How many more squares must be shaded so that 50% of the figure is shaded?

10. The table shows the number of books read by some students.
How many students read at least 3 books?

11. There are 25 goats and ducks on a farm and there are a total of 68 legs.
How many ducks are there?

12. The total mass of 20 identical cookie jars is 4.7 kg.
Find the mass of 3 cookie jars.

13. Raj packed sweets into three containers, A, B and C, in the ratio 3:4:2.
He packed 30 sweets into container A.
How many sweets did he have altogether?

14. The diagram below shows the different places in a neighbourhood.

Sally is facing the library after turning 270° anti-clockwise. Where was she facing at first?

15. The figure is made up of a rectangle and a triangle.
Find the shaded area.