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AMO 2027 Grades 8-9 SET 5 - Self-study Question 14

AMO · AMO 2027 Grades 8-9 SET 5 - Self-study

Question 14

In the following number sequence,
$$\ldots,245,234,223,212,201,\ldots,$$
234 is the 55th term.

a) Find the first term.

b) Find the 70th term.