1 P6.DA.NK.21060929
Level 1 PSLE
The average of 8 numbers is 150. One of the numbers is 206. What is the average of the 7 numbers?
2 m
Averaging out
2 P6.DA.NK.22040501
Level 3
The average age of a group of teachers and lawyers is 40. If the average age of the teachers is 35 years and that of the lawyers is 50 years, what is the ratio of the number of teachers to lawyers?
2 m
Averaging out Finding ratio

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