Level 3
Vincent always saves 30% of his monthly salary. His salary for December was 40% less than that for November. His savings for December decreased by $138 as a result. What was his salary in November?
Level 3
Diana baked curry, sardine and chicken buns. She baked 60 curry buns. 20% of her buns were chicken. She baked 12 more sardine buns than chicken buns. How many curry buns and sardine buns did Diana bake altogether?
Level 3
The ratio of Henry's total points to that of Vincent's in a mock test was 6 : 7. In the next mock test, Henry's points increased by 70%. By what percentage must Vincent's points be increased if their total points were to be the same? Round off the answer to the nearest whole number.
Level 3 PSLE
In a school, 60% of the members in the Art Club and 70% of the members in the IT Club are boys. Both clubs have the same number of girls. The Art Club has 15 less boys than the IT Club. How many members are there in the IT Club?
Level 3
At a theme park, there were 60% as many boys as girls and 30% more adults than boys. Given that there were 90 more adults than boys at the theme park, how many children were there altogether?
