Discussion
Find out the wrong number in the given sequence of numbers 46080, 3840, 384, 48, 24, 2, 1
Answer: C
Each term is the previous one divided by a falling even number.
\[ 46080 \xrightarrow{\div 12} 3840 \xrightarrow{\div 10} 384 \xrightarrow{\div 8} 48 \xrightarrow{\div 6} 8 \xrightarrow{\div 4} 2 \xrightarrow{\div 2} 1 \]
The fifth term should be \( 48 \div 6 = 8 \), not 24.
So 24 is the wrong number. Checking forwards from 8 confirms it: \( 8 \div 4 = 2 \) and \( 2 \div 2 = 1 \).
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