Question: Which of the following methods can be used to determine whether the strRate variable contains the percent sign? a. blnResult = strRate.Contains(%) b. intResult =

Which of the following methods can be used to determine whether the strRate variable contains the percent sign?
a. blnResult = strRate.Contains("%")
b. intResult = strRate.IndexOf("%")
c. intResult = strRate.IndexOf("%", 0)
d. All of the above.

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