Discussion

Find out the wrong number in the series. 2880, 480, 92, 24, 8, 4, 4

Answer: B

The divisor falls by one at each step.

\[ 2880 \div 6 = 480 \quad\checkmark \qquad 480 \div 5 = 96 \quad\text{not } 92 \]

\[ 96 \div 4 = 24 \quad\checkmark \qquad 24 \div 3 = 8 \quad\checkmark \]

\[ 8 \div 2 = 4 \quad\checkmark \qquad 4 \div 1 = 4 \quad\checkmark \]

So 92 is the wrong number; it should be 96.

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