Level 3
Serena used 25 of the flour and an additional 50 g to bake some cake. She used 14 of the remaining flour and an additional 24 g to bake some muffins. Given that Serena was left with 168 g of flour, how much flour did she have at first?
Level 3
Serene had 47 as many chocolates as Melvin. Melvin had 45 as many chocolates as Esther. If Esther had 38 more chocolates than Serene, find the total number of chocolates that was shared among these 3 children at first.
Level 3
In a class, 14 of the students and an additional 3 boys like basketball. 13 of the remaining students in the class less 3 students like badminton and the rest of the 25 students in the class like rugby. How many students are there in the class?
Level 3
There were 1870 books in a book shop. There were 6 times as many storybooks as assessment books. There were an equal number of assessment books and manuals. There were half as many non-fiction books as storybooks.