Python MCQ on numbers: Multiple Choice Questions on Python numbers

Python MCQ on numbers with answers and explanations for placement tests and job interviews. This solved Python MCQ on numbers is useful for the campus placement for all freshers including Engineering Students, MCA students, Computer and IT Engineers, etc.

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Guideline of Python MCQ on numbers:

This Python MCQ on numbers is intended for checking your Python knowledge. It takes 40 minutes to pass the Python Quiz on numbers. If you don’t finish the Python MCQ on numbers within the mentioned time, all the unanswered questions will count as wrong. You can miss the questions by clicking the “Next” button and return to the previous questions by the “Previous” button. Every unanswered question will count as wrong. MCQ on Python number has features of randomization which feel you a new question set at every attempt.

In this Python MCQ on numbers, we have also implemented a feature that not allowed the user to see the next question or finish the quiz without attempting the current Python MCQ on numbers.

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Python MCQ on numbers

Python MCQ on numbers: Multiple Choice Questions and Answers on Python numbers

1 / 27

Python’s float data type guarantees 100% accuracy for all numerical operations. True or False?

False

True

2 / 27

What does ~~~~~~5 evaluate to?

-5

-9

-11

3 / 27

Operator precedence ensures that…

2*3 - 1 causes a run-time error

2*3 - 1 returns 4 and not 5

2*3 - 1 returns 5 and not 4

None of these

4 / 27

What is the type of the following variable?

x = -9j

int

complex

real

imaginary

5 / 27

What is the output of the following python code?

print(int(2.999))

2.999

Error

6 / 27

How do you get the absolute value of a number in Python?

abs(-3.14)

|-3.14|

absolute(-3.14)

None of these

7 / 27

Why does round(-1.225, 2) return -1.23 when it should return -1.22?

Trick question. round(-1.225, 2) does return -1.22!

Floating point representation error

There is a bug in Python

8 / 27

Which rounding strategy does Python’s built-in round() function use?

Round half up

Round half down

Round half to even

Round half away from zero

9 / 27

Which of the following is not a complex number?

k = 2 + 3j

k = complex(2, 3)

k = 2 + 3l

k = 2 + 3k

11 / 27

What does 3 ^ 4 evaluate to?

12 / 27

When a value is truncated to 3 decimal places, which of the following is true?

Both positive and negative numbers are rounded up.

Positive numbers are rounded up and negative numbers are rounded down.

Positive numbers are rounded down and negative numbers are rounded up.

Both positive and negative numbers are rounded down.

13 / 27

The value -0.045 rounded to 2 decimal places using the “round half away from zero” strategy is…

-0.04

-0.05

14 / 27

Which of the following are valid number data types in Python 3? Select all that apply:

str

num

long

int

float

15 / 27

Which of the following is incorrect?

float('inf')

float('nan')

float('56'+'78')

float('12+34')

16 / 27

What is the output of print 0.1 + 0.2 == 0.3?

True

False

Machine dependent

Error

17 / 27

What is the output of the following Python Programs?

print(0b101)
print(0o10)
print(0x1F)

5 8 31

5 9 31

5 4 31

None of these

18 / 27

Assume you have the following Python list:

data = [0.15, -1.45, 3.65, -7.05, 2.45]

If you round every number in data to one decimal place using the “round half up” strategy, which of the following rounding biases is introduced?

No rounding bias is introduced

Round towards positive infinity bias

Round towards negative infinity bias

Round towards zero bias

19 / 27

What’s the name of the function for rounding numbers in Python?

20 / 27

What is the output of the following Python Programs?

import math
print(math.ceil(25.4))
print(math.floor(25.4))

25.4 25.4

25 25

25 26

26 25

21 / 27

Select which is right for Python integers

An integer is a whole number that can be positive or negative

In Python 3, Integers have unlimited precision

None of these

22 / 27

The value 1.73 rounded to one decimal place using the “rounding up” strategy is…

1.8

1.7

23 / 27

What does ~4 evaluate to?

print(~4)

-4

-5

-3

24 / 27

The value -2.961 rounded to two decimal places using the “rounding down” strategy is…

-2.97

-2.96

None of these

25 / 27

Which of the following is incorrect?

x = 0b101

x = 0x4f5

x = 19023

x = 03964

26 / 27

The value 4.65 rounded to one decimal place using the “round half to even” strategy is…

4.6

4.7

27 / 27

Which of the following rounding strategies mitigates rounding bias the best?

Round half up

Round half to even

Round half away from zero

Truncate

Round down

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Python MCQ on numbers: Multiple Choice Questions on Python numbers

Guideline of Python MCQ on numbers:

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