Maths tip: "Double-if" type questions appear frequently. Here’s another example, solved with three methods. Students are free to pick the method they prefer! Maths tip: Here are three double-if questions to try. Can be solved with the three methods I posted earlier. Let me know if you need any help! Jack and Aqil had some[…]
Maths tip: Scenario type questions, sometimes also called "Double-if" questions, are common in the last section of the Maths paper. An example is "Andy and Bob each had a certain amount of money. If Bob gave Andy $40, Andy would have twice as much as Bob. If Andy gave Bob $40, Bob will have thrice[…]
Maths tip: Qn: Kenny and Joo Seng are selling durians at a fruit stall. If Kenny sells 60 durians per day and Joo Seng sells 15 durians per day, Kenny will have 24 durians left when Joo Seng has sold all his durians. If Joo Seng sells 60 durians per day and Kenny sells 15[…]