Level 3 A rectangular tank, measuring 20 cm by 12 cm by 15 cm, was completely filled with water. All the water was poured into identical cubical containers of side 8 cm. What was the least number of containers used?
Level 3 A rectangular tank, measuring 20 cm by 12 cm by 15 cm, was completely filled with water. All the water was poured into identical cubical containers of side 8 cm. What was the least number of containers used?
Level 3
Five numbers were written on the whiteboard as shown:
Write down the 3 numbers that will give an average of 51.
After John wrote 2 -digit number on the same whiteboard, the new average of the six numbers became a multiple of 3. What was the largest possible 2-digit number written by John?
Level 3
Five numbers were written on the whiteboard as shown:
Write down the 3 numbers that will give an average of 51.
After John wrote 2 -digit number on the same whiteboard, the new average of the six numbers became a multiple of 3. What was the largest possible 2-digit number written by John?
Level 3 A 3-digit number, when divided by 3, has a remainder of 2. When the same number, when divided by 6, has a remainder of 5. What is the smallest possible number?
Level 3
Mrs Tan wanted to invite her children to have a party at the cafe. Each lunch set costs $10.75. What is the minimum amount that Mrs Tan must pay for her 30 students?
Level 3
Mrs Tan wanted to invite her children to have a party at the cafe. Each lunch set costs $10.75. What is the minimum amount that Mrs Tan must pay for her 30 students?
