## QUESTION OF THE WEEK #2

(Suitable for Primary 4) Bag A and Bag B had an equal amount of rice at first. After 22.4 kg and 16.8 kg of rice were removed from Bag A and Bag B, respectively, Bag B had thrice as much rice as Bag A. How much rice did each bag have at first? Solution When […]

## QUESTION OF THE WEEK #1

(Suitable for Primary 3) I am a 4-digit odd number. The digit in my tens place is the smallest odd number. The digit in my ones place is 4 more than the digit in the tens place. The digit in the thousands place is thrice the digit in the hundreds place. If the digit in […]