3marks Archives – Page 9 of 32

Question: The total mass of Alvin, Brian and Calvin is (4n + 9) kg. The mass of Alvin is 2n…

Question: The average English score of a group of 12 pupils are 78. When 3 pupils left the group, the…

2019 3marks ACS CA1 P6

Question: A rectangular container measuring 15 cm by 10 cm by 8 cm is 3/4 filled with water. Water from…

2019 3marks ACS CA1 P6

Question: Calvin and Susie had some game cards at first. Calvin gave 1/4 of his cards to Susie. After that,…

2019 3marks ACS CA1 P6

Question: Tom has some $2 and $5 notes. He has twice as many $2 notes as $5 notes. He has…

Question: Frank had to make 200 toy cars. He made 8 toy cars each day from Monday to Friday and…

Question: Mrs Lee went to a sale and paid a total of $600 for a watch and a necklace. The…

Question: Denise bought 9 more 26-cent stickers than 32-cent stickers from an online shopping website. She spent a total of…

Question: The figure below shows two identical right-angled triangles overlapping each other. Find the shaded area. Solution:

Question: The length of AE is 3.3 m. B is the midpoint of AC. C is the midpoint of BD…