Level 2
Michelle, Rebecca and Chris collected some dolls. Michelle had four times as many dolls as Chris, and Rebecca had twice as many dolls as Chris. If Michelle had 8 more dolls than Rebecca, how many dolls did the 3 girls collect in total?
4 m
Level 2
There are 180 blue and green balls in bag A. There are 320 green and red balls in bag B. Given that there are thrice as many red balls as blue balls, and the number of green balls in both bags is the same, find the difference between the red balls and the blue balls.
4 m
Level 3
There are 540 black and blue pens in Box A. There are 450 black and green pens in Box B. The number of blue pens in Box A is four times the number of green pens in Box B. The number of black pens in both boxes is the same.
  1. How many green pens are there in Box B?
  2. Find the total number of black pens in both boxes.
4 m
Level 2
There are 225 students in Campsite A and 420 students in Campsite B. Given that the number of boys in both campsites are the same and the number of girls in Campsite B is 4 times that of Campsite A, find the number of boys in both campsites.
4 m
Level 3
A container filled with 4 identical marbles weighs 1700 g. The same container when filled with 2 identical balls weighs 500 g. The mass of each marble is two times the mass of each ball. What is the mass of the container?
4 m
Level 3
The total cost of the TV, the radio and the heater is $2700. The heater costs twice as much as the radio. The TV costs twice as much as the total price of the heater and radio. How much more does the TV cost than the heater?
4 m
Level 2
There are 9 times as many adults as children in a cinema. There are 105 children and 438 men. How many women are there in the cinema?
4 m
Level 3
There are twice as many children as adults in a concert. There are 236 more boys than girls. If there are 762 people in the concert,
  1. how many children are there?
  2. how many girls are there?
  3. how many boys are there?
4 m
Level 3
In a farm, there are thrice as many horses as chickens. Given that there are 168 legs altogether, how many chickens are there in the farm?
4 m
Level 3
Mrs Krishnan bought 4 times as many plates as cups from a shop. Each plate cost $7 and each cup cost $4. If Mrs Krishnan spent a total $160, how many plates did she buy?
4 m
Level 3
360 adults and children bought tickets to visit the zoo. There were 5 times as many children as adults. One child ticket cost $8 each. How much money was collected from the sales of the child tickets?
4 m
Level 3
A school paid a total of $432 for a group of students and their teachers for a zoo trip. The price of an adult ticket was $8 and a student ticket was $5. Given that there were 20 times as many students as teacher. How many students did the school pay for the zoo trip?
4 m
Level 3
A bag of 280 sweets were distributed to a group of boys and girls. Each boy received 3 sweets and each girl received 5 sweets. Given that there were thrice as many boys as girls, how many boys were there in the group?
4 m
Level 3
Mr Lim employed some welders and painters for his construction site. A painter was paid $20 a day and a welder was paid $35 a day. Given that he employed 4 times as many welders as painters and a total of $1280 was paid to these workers for the day, how many more welders than painters did Mr Lim employ for his site?
4 m
Level 3
Last month, Tim and Jen had the same amount of savings. This month, Jen saves $1800. As a result, she now has 5 times as much savings as Tim. What are their total savings now?
4 m
Level 3
A fruit stall had 3 times as many apples as oranges. After 15 oranges were sold, the number of apples became 12 times the number of the remaining oranges. How many oranges were there at the fruit stall at first?
4 m
Level 3
A fruit stall had 3 times as many apples as oranges. After 15 oranges were added, the number of apples became twice the number of the oranges. How many oranges were there at the fruit stall at first?
4 m
Level 3
Lisa and Terry had the same number of sweets at first. Lisa gave 15 sweets to her sister. In the end, Terry had four times as many sweets as Lisa. How many sweets did Lisa have at first?
4 m
Level 3
Jennifer had 12 more pies than Clara at first. After Jennifer ate 4 pies, she had twice as many pies as Clara in the end. How many pies did Clara have?
4 m
Level 3
A fruit stall had 3 times as many apples as oranges. After 6 apples were added, the number of apples became 12 more than the number of oranges. How many oranges were there at the fruit stall at first?
4 m