Question

. Create a validation rule that will only accept numbers greater than 10 and less than 20

Answer 1

Validation RuleA validity check also can restrict input to values that are between certain limits.
A rule such as >10 And < 20 will force users to enter values between 10 and 20.
To insure a user-friendly interface, you can use the validation text property to display a message such as "Please enter a value greater than 10 and less than 20.

Field Size  ->  1
Format
Input Mask
Caption
Default
Validation Rule ->  10 or 20
Validation Text ->  Please enter numbers greater than 10 and less than 20
Required        ->  Yes