Question
PSLE
Table 1 consists of numbers from 1 to 72. Julian and Nick are given a plastic frame that covers exactly 9 squares of Table 1 with the centre square covered.
  1. Julian puts the frame on the 9 squares shown in Figure 1. What is the average of the 8 numbers that can be seen in the frame?
  2. Nick puts the frame on some other 9 squares. The sum of the 8 numbers that can be seen in the frame is 384. What is the largest number that can be seen in the frame?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Table 1 consists of numbers from 1 to 72. Julian and Nick are given a plastic frame that covers exactly 9 squares of Table 1 with the centre square covered.
  1. Julian puts the frame on the 9 squares shown in Figure 1. What is the average of the 8 numbers that can be seen in the frame?
  2. Nick puts the frame on some other 9 squares. The sum of the 8 numbers that can be seen in the frame is 384. What is the largest number that can be seen in the frame?