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Technical Assessment

Quiz by Human Resource

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25 questions
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  • Q1
    What is the purpose of the 'self' keyword in Python class methods?
    To create a new method
    To refer to the instance of the class
    To reference a parent class
    To define a global variable
    30s
  • Q2
    What is the output of the following code: print(type([]))?
    30s
  • Q3
    Which of the following methods can be used to add an item to a list in Python?
    append()
    add()
    insert()
    extend()
    30s
  • Q4
    What is the purpose of the 'def' keyword in Python?
    To define a function
    To create a class
    To start a loop
    To declare a variable
    30s
  • Q5
    What does the 'len()' function do in Python?
    Converts an object to a string
    Returns the number of items in an object
    Creates a new list
    Deletes an item from an object
    30s
  • Q6
    Which function in NumPy is used to create an array of evenly spaced values within a given interval?
    numpy.linspace
    numpy.range
    numpy.arrange
    numpy.equal
    30s
  • Q7
    In NumPy, which function is used to perform element-wise multiplication of two arrays?
    numpy.dot
    numpy.outer
    numpy.cross
    numpy.multiply
    30s
  • Q8
    What method would you use to reshape a NumPy array without changing its data?
    numpy.reconfigure
    numpy.resize
    numpy.reshape
    numpy.reform
    30s
  • Q9
    Which NumPy function is used to find the unique elements of an array?
    numpy.different
    numpy.unique
    numpy.distinct
    numpy.unique_list
    30s
  • Q10
    Which function in NumPy would you use to calculate the standard deviation of an array?
    numpy.var
    numpy.average
    numpy.std
    numpy.mean
    30s
  • Q11
    Which SQL statement is used to retrieve data from a database?
    DELETE
    SELECT
    INSERT
    UPDATE
    30s
  • Q12
    Which SQL command is used to remove all records from a table without deleting the table itself?
    DROP
    CLEAR
    TRUNCATE
    DELETE
    30s
  • Q13
    What keyword is used to sort the result set of a SQL query?
    FILTER
    GROUP BY
    SORT BY
    ORDER BY
    30s
  • Q14
    What does the SQL statement 'ALTER TABLE' do?
    Queries data from a table
    Creates a new table
    Modifies an existing table structure
    Drops a table
    30s
  • Q15
    Which SQL clause is used to filter records based on specific conditions?
    WHERE
    SELECT
    GROUP BY
    HAVING
    30s

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