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Multiple choice

In the following number series a wrong number is given. Find out that wrong number. 45, 15, 6, 3, 2, 1

  1. 6

  2. 3

  3. 2

  4. 1

  5. No wrong number

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pattern: divide by decreasing divisors. 45/3=15, 15/2.5=6, 6/2=3, 3/1.5=2. But 2/2=1, not 2/1=1. The divisors are 3, 2.5, 2, 1.5, 1, 0.5. Last term should be 2/1=2, not 1.

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