Level 2
Machine A produces thrice as many buns as Machine B in a day. Together, they produce 9408 buns in a day. How many buns can Machine B produce in a day?
2 m
Level 3
Vincent had some pastries. 27 of them were tarts. The rest were cookies. He sold 35 of the tarts and 14 cookies. In the end, he had 131 pastries left. How many more tarts than cookies did he sell?
3 m
Level 3
Ali is b years old. Bill is four times as old as Ali and Calvin is 6 years younger than Bill.
  1. Express Calvin's age in terms of b.
  2. Ali is 10 years old as of now. ln how many years' time will Calvin be 3 times as old as Ali?
4 m
Level 3
Mrs Osman bought 3 kg of peanuts. She roasted 1 kg 500 g of the peanuts and boiled 1 kg 250 g of it. What fraction of the peanuts she bought was left?
4 m
Level 3
Hannah went shopping with 4 times the amount that Kelly brought. The ratio of the amount of money Kelly spent to the amount of money Hannah spent was 2 : 3. In the end, Kelly and Hannah had $12 and $108 respectively. How much did Kelly spend?
4 m