
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
The arithmetic mean of a set of 60 numbers is 42. If two numbers of the set, namely 50 and 60, are discarded, the arithmetic mean of the remaining set of numbers is:
A) 42.2
B) 41.9
C) 41.4
D) 41.5
E) 42.0

Present the answer in LaTex format: \boxed{Your answer}
user