Level 3
Tom spent 27 of his salary on a television and 310 of his remaining money on a DVD player. If he was left with $630 himself, how much was his salary?
4 m
Level 3
Tricia used 25 of the ribbon to tie some presents. She threw away 47 of the remaining ribbon. As a result, she had 54 centimetres of ribbon left. How much ribbon did Tricia have at first? Give your answer in centimetres.
4 m
Level 3
During a family day event, Vivian participated in a cross country event. She ran 38 of the distance. She walked 14 of the remaining distance. As a result, she was still 360 m away from the end point. What was the distance of the cross country race? Give your answer in meters.
4 m
Level 3
In the figure, not drawn to scale. ABCD is a square. CDE is an equilateral triangle and AC is a straight line. Find
  1. One-third of ∠AFE
  2. Twice of ∠ECF
4 m
Level 3
A rectangular tank measuring 25 cm by 20 cm by 16 cm is half filled with water. If 3 identical cubes each measuring 10 cm by 10 cm by 10 cm are placed inside the water, find the new height of the water level.
5 m