Level 2
Adam has 30 blue stickers and 70 red stickers.
After giving away the same number of stickers,
the ratio of the blue stickers and the red stickers becomes 1 : 3.
How many stickers are given away?

Level 2
Adam has 30 blue stickers and 120 red stickers.
After buying the same number of stickers,
the ratio of the blue stickers and the red stickers becomes 1 : 3.
How many stickers does he buy?

Level 2
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam gives away another 10 blue stickers and 10 red stickers,
the ratio of the number of blue stickers to red stickers is 3 : 1.
How many stickers does Adam have now?

Level 3
In a jar, the ratio of the number of yellow balls to the number of purple balls was 1 : 3. Each time, 5 yellow and 7 purple balls were taken out of the jar. A while later, only 120 purple balls were left in the jar. What was the total number of balls in the jar at first?

Level 2
The ratio of the number of blue stickers to red stickers is 3 : 1.
After Adam buys another 10 blue stickers and 10 red stickers,
the ratio of the number of blue stickers to red stickers is 5 : 2.
How many stickers does Adam have now?

Level 3
The ratio of the boys to the girls in school was 5 : 2. After 6 boys went home and 8 new girls came, there were 7 more boys than girls in the end. Find the number of children in the school at first.

Level 3
The ratio of Zoe's to Isabelle's incomes was 6 : 1 at first. After Zoe and Isabelle were given another $654 and $341 respectively, Zoe had 4 times as much money as Isabelle. How much did both of them have in the end?

Level 2
A box of cookies is shared among three children. Fernando gets 3 times as many cookies as Mary. Tessa gets twice as many cookies as Fernando. What fraction of the box of cookies does Fernando get?

Level 2
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam buys 10 blue stickers and 40 red stickers,
there is an equal number of blue stickers and red stickers.
How many stickers does Adam have now?

Level 3
At a theme park, there were 60% as many boys as girls and 30% more adults than boys. Given that there were 90 more adults than boys at the theme park, how many children were there altogether?

Level 2
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam gives away 10 blue stickers and 40 red stickers,
there is an equal number of blue stickers and red stickers.
How many stickers does Adam have now?

Level 3
Sean and Jack have some money. If Sean gives $293 to Jack, the ratio of their money will be 3 : 5. If Sean gives $424 to Jack, the ratio of their money will be 1: 3. How much does Sean have?

Level 3
Isabelle has 40% as many beads as Violet and 80% less beads than Sarah. If they have a total of 102 beads, how many beads do Isabelle and Sarah have?

Level 3
Beryl has 2 containers. A and B of different capacities. If Container A is filled by a tap at a rate of 3 litres per minute and Container B is filled by a tap at a rate of 5 litres per minute, when Container A is completely filled, 5 litres of water flowed out from Container B. If Container A is filled by a tap at a rate of 4 litres per minute and Container B is filled by a tap at a rate of 3 litres per minute, when Container A is completely filled, Container B is only half-filled. What is the capacity of Container B?

Level 2
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam gives away 10 blue stickers and buys another 20 red stickers,
there is an equal number of blue stickers and red stickers.
How many stickers does Adam have now?

Level 3
The number of lemons a fruit seller bought in December was 30% more than in November. In January, he bought 50% less lemons than in December. If there were 3577 more lemons in November than January, how many lemons did the fruit seller buy in November?

Level 2
The number of red and blue stickers are equal.
If Adam gives away 40 red stickers and 10 blue stickers,
the ratio of red stickers to blue stickers becomes 2 : 5.
How many stickers are there at first?

Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam buys another 10 blue stickers and 20 red stickers,
the ratio becomes of the number of blue stickers to red stickers is 7 : 6.
How many stickers does Adam have now?

Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam gives away 10 blue stickers and gives away 20 red stickers,
the ratio becomes of the number of blue stickers to red stickers is 9 : 2.
How many stickers does Adam have now?

Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam buys another 20 red stickers and gives away 10 blue stickers,
the ratio becomes of the number of blue stickers to red stickers is 3 : 2.
How many stickers does Adam have now?