481 P5.VO.NK.23022702
Level 3
Tank A was 15 filled with water. After 15000 cm3 of water was added to Tank A, it became 710 full.
  1. Find the volume of Tank A in litres.
  2. Find the volume of water in Tank A in the end. Give your answer in litres.
3 m
Filling tank Fraction of a whole F Addition & subtraction Unit conversion Units method
482 P5.ST.JC.18121159
Level 3
Adam has some blue stickers and red stickers.
The number of blue stickers is increased by 20% to 60.
The number of red stickers is decreased by 30% to 70.
  1. How many stickers are there at first?
  2. How many stickers are there in the end?
3 m
Percent of a set Percent change by Percent of different bases All change Units method
483 P6.SP.TL.18012220
Level 3 PSLE
Blake and Steve ran in a race. When Steve had completed the race, Blake had only run 58 of the distance. Steve's speed was 75 m/min faster than Blake's speed. Both of them did not change their speeds throughout the race. What was Blake's speed in m/min?
3 m
Different speed Direct ratio Fraction to units More than or less than Units method
484 P5.WN.JC.17083165
Level 2
6 similar tables with a length of 50 cm each, are placed from one end to the other end of a corridor at an equal distance apart, as shown in the figure. The total length of the walkway is 900 cm. What is the spacing between each table?
2 m
Length Intervals Units method
485 P5.ST.JC.18121160
Level 3
If Adam's income is increased by 50% and
Bryan's amount is decreased by 30%,
both will get $2100 each.
  1. How much is Adam's income?
  2. How much is Bryan's income?
  3. What is the difference between Adam's income and Bryan's income?
3 m
Percent of a set Percent change by Percent of different bases Equal stage after All change Units method

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