Level 3
2700 stickers are in 3 packets.
The 1st packet has 300 stickers more than the total number of stickers in the 2nd and 3rd packets.
The 3rd packet has 2 times as many stickers as the 2nd packet.
How many stickers does the 1st packet contain?
Level 3
Adam pays $1600 for a TV set, a mobile phone and a computer.
The TV set costs 3 times as much as the computer.
The mobile phone costs $500 less than the TV set.
How much is the mobile phone?
Level 3
2700 stickers are in 3 packets.
The 1st packet has 3 times as many stickers as the 2nd packet.
The 3rd packet has 2 times as many stickers as the 2nd packet.
How many less stickers are there in the 2nd packet than the 3rd packet and 1st packet?
Level 2
Some plants are placed along a street at equal distances from one another.
The distance between the 2nd and the 5th plant is 1.05 m.
What is the distance between the 1st and the 8th plant?
Level 2
9 lamp posts are planted along a road at equal distances.
The distance between the 2nd and the 4th lamp post is 17.9 m.
What is the distance between the 1st and the last lamp post?
