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M3 R5: Programming and Problem Solving through Python

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1 Which of the following is incorrect regarding variables in Python?

पायथन में चर के संबंध में निम्नलिखित में से कौन सा गलत है?

Variable names in Python cannot start with number. However, it can contain number in any other position of variable name.

Variable names can start with an underscore.

Data type of variable names should not be declared.

None of the above.

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2 What is the purpose of the else block in a Python loop?

पायथन लूप में अन्य ब्लॉक का पर्पज क्या है?

To execute when the loop is terminated using break.

To execute after the loop completes without encountering a break.

To restart the loop.

To execute before the loop starts

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3 Which of the following methods is not a string method in Python?

पायथन में निम्नलिखित में से कौन सी विधि स्ट्रिंग विधि नहीं है?

capitalize()

startswith()

pop()

find()

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4 Which of the following is not a legal integer type value in python.

निम्नलिखित में से कौन सा पायथन में कानूनी पूर्णांक प्रकार का मान नहीं है।

Decimal

Octal

Hexadecimal

Roman

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5 What will be the output of the following Python code snippet? print('Hello World'.istitle())

निम्नलिखित पायथन कोड स्निपेट का आउटपुट क्या होगा? print(' Hello World '.istitle ())

True

False

None

Error

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6 What is the order of namespaces in which Python looks for an identifier?

नामस्थानों का क्रम क्या है जिसमें पायथन एक पहचानकर्ता की तलाश करता है?

Python first searches the built-in namespace, then the global namespace and finally the local namespace.

Python first searches the built-in namespace, then the local namespace and finally the global namespace

Python first searches the local namespace, then the global namespace and finally the built-in namespace

Python first searches the global namespace, then the local namespace and finally the built-in namespace

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7 If list1=[10,20,30], then operation list1*2 returns ____ .

यदि list1=[10,20,30], तो ऑपरेशन list1*2 ____ लौटाता है।

[10,20,30,10,20,30]

[20,40,60]

[10,20,30,20,40,60]

None

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8 ____ help to check the data type of an array-

____ किसी सरणी के डेटा प्रकार की जाँच करने में मदद करें -

arraydtype()

arr.dtype()

dtype.arr()

None of these

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9 Which of the following is an invalid statement?

निम्नलिखित में से कौन सा एक अमान्य कथन है?

abc = 1,000,000

a b c = 1000 2000 3000

a,b,c = 1000, 2000, 3000

a_b_c = 1,000,000

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10 Which method is used to read the entire content of a file as a string in Python?

पायथन में फ़ाइल के पूरे डाटा को स्ट्रिंग के रूप में पढ़ने के लिए किस फंक्शन का उपयोग किया जाता है?

read()

readline()

readlines()

load()

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11 What will be the output of the following Python code? a={1:"A",2:"B",3:"C"} b=a.copy() b[2]="D" print(a)

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? a={1:"A",2:"B",3:"C"} b=a.copy() b[2]="D" print(a)

Error, copy() method doesn’t exist for dictionaries

{1: ‘A’, 2: ‘B’, 3: ‘C’}

{1: ‘A’, 2: ‘D’, 3: ‘C’}

“None” is printed

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12 What will be the output of the following Python code? len(["hello",2, 4, 6])

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? len(["hello",2, 4, 6])

Error

6

4

3

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13 The expression _____ implies that the variable x is converted to integer.

अभिव्यक्ति _____ का तात्पर्य है कि चर x को पूर्णांक में परिवर्तित किया जाता है।

exp(x)

int (x)

chr (x)

None of these

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14 Which operator is also called as Comparative operator?

किस ऑपरेटर को तुलनात्मक ऑपरेटर भी कहा जाता है?

Arithmetic

Relational

Logical

Assignment

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15 PVM is often called

PVM को अक्सर कहा जाता है

Python Interpreter.

Python compiler

Python Volatile machine

Portable virtual machine

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16 ______ are the modes of both writing and reading in binary format in file.

______ फ़ाइल में द्विआधारी प्रारूप में लिखने और पढ़ने दोनों के तरीके हैं।

bw+

wb+

rb+

None of these

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17 Which of the following is Immutable object.

निम्नलिखित में से कौन अपरिवर्तनीय वस्तु है।

List

Tuple

Dictionary

All of the above

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18 What will be the output of the following Python code? print(max("what are you"))

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? print(max("what are you"))

error

u

t

y

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19 What is tail recursion?

टेल रिकर्शन क्या है?

A recursive function that has two base cases

A function where the recursive functions leads to an infinite loop

A recursive function where the function doesn’t return anything and just prints the values

A function where the recursive call is the last thing executed by the function

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20 Which one is not the attribute of a file?

कौन सी एक फ़ाइल की विशेषता नहीं है?

softspace

mode

closed

rename

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21 What will be the output of the following expression? a = 2 b = 8 print(a|b ) print(a >> 1)

निम्नलिखित कोड का परिणाम क्या है ? a = 2 b = 8 print(a|b ) print(a >> 1)

10 0

10 2

2 2

10 1

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22 What will be the output of following code import math print(math.pi)

निम्नलिखित कोड का आउटपुट क्या होगा import math print(math.pi)

5.354562653589793

3.141592653589793

7.867564234556778

9.048495456553358

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23 Which file extension is used to save Python files?

पायथन फ़ाइलों को सहेजने के लिए किस फ़ाइल एक्सटेंशन का उपयोग किया जाता है?

.py

.python

.pt

.pyt

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24 Python code can run on a variety of platforms, it means Python is a _____ language.

पायथन कोड विभिन्न प्लेटफार्मों पर चल सकता है, इसका मतलब है कि पायथन एक _____ भाषा है।

Graphical

Cross-Platform

Platform Dependent

All of these

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25 Which one of these is floor division?

इनमें से कौन सा फर्श विभाजन है?

/

//

%

None of the mentioned

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