Exchange Chain
8 questions ยท EasyMedium
Exchange chains link items through a series of swaps. Write each swap as an equation and follow the chain to the item asked for.
๐ก Quick tricks
- Make the common item match in both equations before combining.
- 2 pens = 6 erasers and 3 erasers = 1 ruler, so 2 pens = 2 rulers.
- Keep the units clear at every step.
๐ฏ Try it yourself
Tap an answer. You'll see if it's right, and why. Easy ones come first.
-
Q1Easy
3 rulers = 4 bananas, 2 bananas = 1 pencil. 3 rulers = ? pencils
Show answer
Answer: C. 2
๐ก Follow the chain: 3 rulers are worth as much as 2 pencils.
-
Q2Easy
3 pencils = 1 marker, 1 marker = 6 rulers. 2 pencils = ? rulers
Show answer
Answer: C. 4
๐ก Follow the chain: 2 pencils are worth as much as 4 rulers.
-
Q3Easy
1 pencil = 4 bananas, 3 bananas = 1 orange. 6 pencils = ? oranges
Show answer
Answer: A. 8
๐ก Follow the chain: 6 pencils are worth as much as 8 oranges.
-
Q4Easy
2 rulers = 1 eraser, 3 erasers = 2 oranges. 9 rulers = ? oranges
Show answer
Answer: C. 3
๐ก Follow the chain: 9 rulers are worth as much as 3 oranges.
-
Q5Medium
1 apple = 3 pencils, 1 pencil = 2 markers, 4 markers = 1 eraser. 2 apples = ? erasers
Show answer
Answer: D. 3
๐ก Follow the chain: 2 apples are worth as much as 3 erasers.
-
Q6Medium
1 marker = 3 crayons, 3 crayons = 1 pencil, 1 pencil = 2 rulers. 1 marker = ? rulers
Show answer
Answer: C. 2
๐ก Follow the chain: 1 marker are worth as much as 2 rulers.
-
Q7Medium
1 banana = 4 bags, 3 bags = 1 pencil, 2 pencils = 1 eraser. 9 bananas = ? erasers
Show answer
Answer: C. 6
๐ก Follow the chain: 9 bananas are worth as much as 6 erasers.
-
Q8Medium
1 crayon = 4 rulers, 2 rulers = 1 bag, 3 bags = 1 marker. 6 crayons = ? markers
Show answer
Answer: D. 4
๐ก Follow the chain: 6 crayons are worth as much as 4 markers.
Your score
0/8
Think you're fast?
Practised exchange chain? Race another player live: 10 questions, 90 seconds, one winner.
โ๏ธ Play a 1v1, free