CAT 2 Quiz

Which is the correct operator for power(x^y) ?

• x ** y

• x ^ y

• x ^^ y

• x * y

x = 5

y = 2

print(x / y)

print(x // y)

print(x % y)

print(x ^ y)

• 2.5

  2

  1

  7

• 2

  2.5

  1

  7

• 2.5

  2

  7

  1

• 2.5

  2

  1

  0

str = 'hello'

print(str[:2])

print(str[2:])

print(str[2:4])

print(str[-1])

• he

  llo

  ll

  o

• he

  llo

  ll

  h

• he

  llo

  llo

  o

• he

  llo

  ll

  oellh

What error occurs when you execute?

rose = lotus

• TypeError

• NameError

• SyntaxError

• ValueError

What error occurs when you execute?

rose = 'lotus'

• NameError

• TypeError

• No Error

• SyntaxError

list = [ 1, '2', [3]]

print(type(list))

print(type(list[0]))

print(type(list[1]))

print(type(list[2]))

• <class 'list'>

  <class 'int'>

  <class 'str'>

  <class 'list'>

• <class 'list'>

  <class 'int'>

  <class 'int'>

  <class 'list'>

• list

  int

  str

  list

• Error

What is the value of the expression:

float(4+int(2.39)%2)

• 4.0

• 4

• 5

• 5.0

What is the output?

• 0

  1

• 0

  0

• 0

  1

  2

  3

  4

• 0

  Error

What is the file opening mode for reading and writing a binary file?

• f=open(<filename>,"rb+")

• f=open(<filename>,"r+")

• f=open(<filename>,"b+")

• f=open(<filename>,"a+")

What is the output?

• 0

  1

  2

  3

  4

  5

• 0

  1

• 0

  1

  2

  3

  4

  4

• 0

  1

  1