Civil Service Clerical Ability Practice exam

Question: 1 / 400

In the following number, how many numbers are used more than twice? 1875327862190162846214123

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To determine how many numbers are used more than twice in the sequence 1875327862190162846214123, you need to analyze the frequency of each digit from 0 to 9.

First, count the occurrences of each digit:

- 0 occurs 2 times

- 1 occurs 4 times

- 2 occurs 3 times

- 3 occurs 2 times

- 4 occurs 2 times

- 5 occurs 1 time

- 6 occurs 3 times

- 7 occurs 2 times

- 8 occurs 2 times

- 9 occurs 2 times

Next, identify which digits appear more than twice:

- The digit 1 appears 4 times.

- The digit 2 appears 3 times.

- The digit 6 also appears 3 times.

Thus, there are three distinct digits (1, 2, and 6) that appear more than twice. Therefore, the correct answer reflects that a total of three numbers are used more than twice.

The option indicating there are four unique numbers exceeding this frequency is therefore incorrect, as only three numbers meet this criterion. Hence, the correct understanding and counting show that the total is indeed three.

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