ISTQB Exam Questions On Equivalence Partitioning And Boundary Value Analysis

Question #1)
One of the fields on a form contains a text box that accepts numeric values in the range of 18 to 25. Identify the invalid Equivalence class.

a)    17
b)    19
c)    24
d)    21

Question #2)
In an Examination, a candidate has to score a minimum of 24 marks in order to clear the exam. The maximum that he can score is 40 marks.  Identify the Valid Equivalence values if the student clears the exam.

a)    22,23,26
b)    21,39,40
c)    29,30,31
d)    0,15,22

Question #3)
One of the fields on a form contains a text box that accepts alphanumeric values. Identify the Valid Equivalence class
a)    BOOK
b)    Book
c)    Boo01k
d)    Book

Question #4)
The Switch is switched off once the temperature falls below 18 and then it is turned on when the temperature is more than 21. When the temperature is more than 21. Identify the Equivalence values which belong to the same class.

a)    12,16,22
b)    24,27,17
c)    22,23,24
d)    14,15,19

Question #5)
A program validates a numeric field as follows: values less than 10 are rejected, values between 10 and 21 are accepted, values greater than or equal to 22 are rejected. Which of the following input values cover all of the equivalence partitions?

a. 10,11,21
b. 3,20,21
c. 3,10,22
d. 10,21,22

Question #6)
A program validates a numeric field as follows: values less than 10 are rejected, values between 10 and 21 are accepted, values greater than or equal to 22 are rejected. Which of the following covers the MOST boundary values?

a. 9,10,11,22
b. 9,10,21,22
c. 10,11,21,22
d. 10,11,20,21

Question #7)
In a system designed to work out the tax to be paid:
An employee has £4000 of salary tax-free.
The next £1500 is taxed at 10%.
The next £28000 after that is taxed at 22%.
Any further amount is taxed at 40%.

To the nearest whole pound, which of these groups of numbers fall into three DIFFERENT equivalence classes?
a)    £4000; £5000; £5500
b)    £32001; £34000; £36500
c)    £28000; £28001; £32001
d)    £4000; £4200; £5600

Question #8)
In a system designed to work out the tax to be paid:
An employee has £4000 of salary tax-free.
The next £1500 is taxed at 10%.
The next £28000 after that is taxed at 22%.
Any further amount is taxed at 40%.

To the nearest whole pound, which of these is a valid Boundary Value Analysis test case?
a)    £28000
b)    £33501
c)    £32001
d)    £1500

Question #9)
Given the following specification, which of the following values for age are in the SAME equivalence partition?

If you are less than 18, you are too young to be insured.
Between 18 and 30 inclusive, you will receive a 20% discount.
Anyone over 30 is not eligible for a discount.
a)    17, 18, 19
b)    29, 30, 31
c)    18, 29, 30
d)    17, 29, 31