Level 1 PSLE
There are 45 biscuits in a box. 27 of them have raisins while the rest are plain. What is the ratio of the number of plain biscuits to that of raisin biscuits in the box?
Level 1 PSLE
Tom took his family to the zoo. They were in the zoo from 9.10 a.m. to 3.10 p.m. What fraction of the 24-hour day did Tom and his family spend in the zoo? Give your answer in the simplest form.