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1, 3, 7, 9, 21, 63 and 189.

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15y ago

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How many multiples can a number have?

A number can have an infinite number of multiples since multiples are obtained by multiplying the number by a whole number.


What is the highest power of 25 that divides the product of the first 100 multiples of 5?

The highest power of 25 that divides the product of the first 100 multiples of 5 is 50. This is because for each multiple of 25, we have an extra factor of 25. Since there are 4 multiples of 25 in the first 100 multiples of 5, we have a total of 50 factors of 25.


What is the meaning of the word multiples?

In mathematics, multiples are the result of multiplying a given number by an integer. For example, the multiples of 3 are 3, 6, 9, 12, and so on. These numbers are all obtained by multiplying 3 by different integers. Multiples can be positive or negative, depending on the original number and the integer used for multiplication.


Numbers that are easy to compute mentally?

Numbers like 10, 25, 50, and 100 are easy to compute mentally because they have simple multiples or divisions that are easy to work with. For example, doubling 25 is 50, or dividing 100 by 10 gives you 10. These numbers are often used as benchmarks in mental math calculations.


How validity and reliability can be achieved in selection process?

When testing an applicant the scores of the tests, when given on different days, should remain consistent or close to the same on any given date. This means the selection is reliable. Validity is achieved by giving the applicant tests that simulate the work they will be expected to do. The decision to hire the person or not can be based on the individuals IQ related to some required trait (construct), or it can be criterion-related measurements of their tests: compared to other applicants (predictive), compared to current employees (concurrent) (Decenzo & Robbins, 2006, p. 188-189).DeCenzo, D., & Robbins, S. (2006). Fundamentals of Human Resource Management, p. 188-189. New York: Wiley & Sons Inc.