Level 2
Abby goes for cooking classes once every 4 days. Charles goes to the same cooking class once every 5 days. Given that they first met in the cooking class on 2 June, on which day of June would they meet each other again?
Level 2
Heather went to the gym once every 4 days while Vicky went to the same gym once every 6 days. They became friends after meeting each other at the gym on a Saturday. Which would be the next earliest day that they would meet each other again at the gym? Give the answer in number. (Eg Mon = 1; Tue = 2)
Level 2
Priscilla has more than 20 pencils but fewer than 40 pencils The pencils can be packed into bags of 4 pencils without any remainder. The pencils can also be packed into bags of 6 pencils without any remainder. What is the most number of pencils that Priscilla has?
Level 3
At 7 a.m., a black car and a green car left the office and travelled at average speeds in opposite directions round a 25-km route. The black car took 15 minutes to complete each round while the green car took 20 minutes.
Find the speed of the black car.
Find the speed of the green car.
If the 2 cars travelled without any interval of rest, at what time would the 2 cars next meet again at the office?
Level 3
Vivian and Kyle started cycling at uniform speeds from the same place in opposite direction round an 800-m forest trail. Vivian took 40 seconds to complete each round while Kyle took 50 seconds.
Find the distance covered per second by Vivian in m.
Find the distance covered per second by Kyle in m.
When the two cyclists next met again at the starting point, how far would Vivian have covered? Express the answer in km.
