161 P6.RD.TL.16010160
Level 3
Mrs Yap had 40% more books than Mdm Zhang. Miss Lin had 20% fewer books than Mrs Yap. Mrs Yap and Mdm Zhang gave Miss Lin some books in the ratio of 1 : 4. As a result, Miss Lin had 50% more books than before. Given that Miss Lin had 423 more books than Mdm Zhang in the end, how many books did Mrs Yap give to Miss Lin?
5 m
Ratio to units Percent to units Percent of different bases More than or less than Repeated identity Internal transfer Units table Units manipulation
162 P6.FR.JC.22031402
Level 3 PSLE
The table shows the prices of tickets for a soccer match.
The number of adult tickets sold was 5 times the number of child tickets sold. 58 of the adult tickets sold were for adults aged below 60 years. A total of $7020 was collected from the sale of tickets.
  1. What fraction of the tickets sold were for adults aged 60 years and above? Give your answer in the simplest form.
  2. What was the total number of tickets sold to adults?
4 m
Fraction of a set Fraction to units Combined repeated identity Number x value Units table
163 P6.RD.TL.16010156
Level 3
Oscar, Ethan and Fred had some balls. Ethan had 40% more balls than Oscar. Ethan had 35 of Fred's. After Oscar gave 18 balls to Ethan, he had 12 of what Ethan had. How many more balls did Fred have than Ethan in the end?
5 m
Fraction to units Percent to units More than or less than Repeated identity Unchanged total Internal transfer Units table
164 P4.DE.JC.17100397
Level 3
A carton packed with 1 packet of rice weighs 5.62 kg. The same carton when packed with 4 such packets of rice weighs 21.43 kg.
  1. Find the mass of 1 packet of rice in kg.
  2. Find the mass of the empty carton in kg.
4 m
D 4 operations Mass Repeated identity Units & parts Elimination
165 P6.PC.TL.16010135
Level 3
There were some avocados in 3 boxes, E, F and G. 30% of the number of avocados in Box E was equal to 60% of the number of avocados in Box F. The number of avocados in Box G was 60% of the total number of avocados in Box E and F. After Oscar removed 20% of the avocados in Box G, there were 88 more avocados in Box F than in Box G. In the end, how many avocados should be transferred from Box F to Box G so that the avocados in Box G would be the same as Box E?
5 m
Percent to units Percent of different bases More than or less than Equal stage after Common numerator Combined repeated identity Units table Decimal units

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