Level 3
149 pupils went for a Physical Fitness Test and 25 of them achieved Bronze certificates. 25 of the girls and 13 of the boys achieved Bronze certificates. How many girls did not achieve Bronze certificates?
Level 3
Container A and B are identical containers with the same base area and height. Container A is filled to the brim with water while Container B is empty. After 240 cm3 of water is poured into Container B from Container A, the depth of water in Container B is 14 the depth of water in Container A. If the height of the container is 25 cm, what is the base area of Container B?
Level 3
There are 390 children in a tuckshop. 27 of the boys and 23 of the girls wear spectacles, there are 258 children in the tuckshop who do not wear spectacles. How many girls wear spectacles?