Will and Jake are in different Mathematics classes at Greenwood Primary School. Will's teacher always gives tests with 9 questions while Jake's teacher gives more frequent tests with only 7 questions. However, both teachers promised that all the students in both classes will have to answer the same number of tests questions in total in one year. How many more tests does Jake have to sit for in one year, as compared to Will?
List the multiples of 6 and 4, up to 50, and calculate the difference between the 2$^{nd}$ and 4$^{th}$ common multiples of these 2 numbers. Thereafter, state the LCM of these 6 and 4.
List the factors of 36 and 84 and calculate the difference between the 2$^{nd}$ and 3$^{rd}$ common factors of these 2 numbers. Thereafter, state the HCF of these 36 and 84?
38 – 4 = 34 58 – 7 = 51 34 = 1 $\times$ 34 2 $\times$ 17 58 = 1 $\times$ 51 3 $\times$ 17 17 is the largest number that fits the conditions
Felix and Amy take 4 and 7 minutes to run around the track during their PE lessons. If they started running their laps at 1000, when is the next time both of them will be at the finish line together after that?
The basketball team and the volleyball team are sharing the basketball court for their practices today. The basketball team has practice every 3 days while the volleyball team practices every 7 days. How many days from now will they have to share the basketball court again?
Pencils come in packages of 10. Erasers come in packages of 12. Phillip wants to purchase the smallest number of pencils and erasers so that he will have exactly 1 eraser per pencil. How many packages of pencils and erasers should Phillip buy?
Charlie has 36 black pebbles and 24 yellow ones. If he wants to place them in identical groups without any marbles left over, what is the greatest number of groups Charlie can make?
A
12
B
14
C
16
D
18
E
None of the above
Sorry. Please check the correct answer below.
36 = 1 $\times$ 36 = 2 $\times$ 18 = 3 $\times$ 12 = 4 $\times$ 9 = 6 $\times$ 6 24 = 1 $\times$ 24 = 2 $\times$ 12 = 3 $\times$ 8 = 4 $\times$ 6 Each group should contain 2 block and 3 yellow pebbles. Largest number of groups = 12