This set of Python Multiple Choice Questions & Answers (MCQs) focuses on “Basic Operators”.

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

a) X^y

b) X**y

c) X^^y

d) None of the mentioned

View Answer

Explanation: In python, power operator is x**y i.e. 2**3=8.

2. Which one of these is floor division?

a) /

b) //

c) %

d) None of the mentioned

View Answer

Explanation: When both of the operands are integer then python chops out the fraction part and gives you the round off value, to get the accurate answer use floor division. This is floor division. For ex, 5/2 = 2.5 but both of the operands are integer so answer of this expression in python is 2.To get the 2.5 answer, use floor division.

3. What is the order of precedence in python?

i) Parentheses

ii) Exponential

iii) Division

iv) Multiplication

v) Addition

vi) Subtraction

a) i,ii,iii,iv,v,vi

b) ii,i,iii,iv,v,vi

c) ii,i,iv,iii,v,vi

d) i,ii,iii,iv,vi,v

View Answer

Explanation: For order of precedence, just remember this PEDMAS (similar to BODMAS)

4. What is answer of this expression, 22 % 3 is?

a) 7

b) 1

c) 0

d) 5

View Answer

Explanation: Modulus operator gives remainder. So, 22%3 gives the remainder, that is, 1.

5. Mathematical operations can be performed on a string. State whether true or false.

a) True

b) False

View Answer

Explanation: You can’t perform mathematical operation on string even if the string is in the form: ‘1234…’.

6. Operators with the same precedence are evaluated in which manner?

a) Left to Right

b) Right to Left

c) Cant say

d) None of the mentioned

View Answer

Explanation: None.

7. What is the output of this expression, 3*1**3?

a) 27

b) 9

c) 3

d) 1

View Answer

Explanation: First this expression will solve 1**3 because exponential have higher precedence than multiplication, so 1**3 = 1 and 3*1 = 3. Final answer is 3.

8. Which one of the following have the same precedence?

a) Addition and Subtraction

b) Multiplication and Division

c) Both a and b

d) None of the mentioned

View Answer

Explanation: None.

9. The expression Int(x) implies that the variable x is converted to integer. State whether true or false.

a) True

b) False

View Answer

Explanation: None.

10. Which one of the following have the highest precedence in the expression?

a) Exponential

b) Addition

c) Multiplication

d) Parentheses

View Answer

Explanation: Just remember: PEDMAS, that is, Parenthesis, Exponentiation, Division, Multiplication, Addition, Subtraction. Note that the precedence order of Division and Multiplication is the same. Likewise, the order of Addition and Subtraction is also the same.

**Sanfoundry Global Education & Learning Series – Python.**

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