Explore topic-wise MCQs in 7th Class.

This section includes 2154 Mcqs, each offering curated multiple-choice questions to sharpen your 7th Class knowledge and support exam preparation. Choose a topic below to get started.

451.

What number should be added to 0.25\[\times \]2.5 to get 1?

A. 0375                           
B. 0.475
C. 0.5                              
D. 0.425
Answer» E.
452.

Find the sum \[\left( \frac{4}{5}+\frac{25}{15}-10 \right)+\frac{21}{45}\]

A.  \[-\frac{1}{9}\]                        
B.  \[1\frac{1}{9}\]             
C.  \[-7\frac{1}{15}\] 
D.  \[4\frac{22}{27}\]
Answer» D.  \[4\frac{22}{27}\]
453.

\[130.02+113.26-27.1-17.4\]

A. 180.78                        
B. 178.78
C. 286.78                        
D. 198.78
Answer» E.
454.

What should be subtracted from \[\left( \frac{3}{4}-\frac{6}{16}+\frac{5}{24} \right)\,\]to get \[\frac{7}{32}\]?

A.  \[\frac{7}{12}\]                        
B.  \[\frac{35}{96}\]
C.  \[\frac{-5}{96}\]                                   
D.  \[\frac{77}{96}\]
Answer» C.  \[\frac{-5}{96}\]                                   
455.

\[1+\left( 0.25\times 0.25 \right)\]is equal to

A. 16.25             
B. 10.625
C. 162.5             
D. 1.0625
Answer» E.
456.

\[\left[ 0.25\div \left( 0.5 \right) \right]+\left[ 0.25+\left( 0.5 \right) \right]\]is equal to

A. 0.86                            
B. 0.8
C. 1.70                
D. 5.75
Answer» C. 1.70                
457.

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion: There is no reciprocal or multiplicative inverse for the number zero. Reason: The reciprocal \[\frac{1}{0}\] does not exist in rational numbers.

A. If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
B. If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
C. If Assertion is correct but Reason is incorrect.
D. If Assertion is incorrect but Reason is correct.
Answer» B. If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
458.

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion: \[\frac{7}{8}\] is terminating decimal. Reason: denominator 8 has factor 2.

A. If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
B. If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
C. If Assertion is correct but Reason is incorrect.
D. If Assertion is incorrect but Reason is correct.
Answer» C. If Assertion is correct but Reason is incorrect.
459.

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion: A fraction \[\frac{1}{3}\] is known as non- terminating decimal. Reason: \[\frac{3}{1}\] cannot be represent as mixed fraction

A. If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
B. If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
C. If Assertion is correct but Reason is incorrect.
D. If Assertion is incorrect but Reason is correct.
Answer» E.
460.

\[\mathbf{0}.\overline{\mathbf{8}}+\mathbf{0}.\overline{\mathbf{4}}+\mathbf{0}.\overline{\mathbf{5}}+\mathbf{0}.\overline{\mathbf{7}}\]is equal to

A.  \[2.\overline{4}\]                      
B.  \[2\frac{5}{9}\]            
C.  \[2\frac{2}{3}\]
D.  \[2\frac{3}{9}\]
Answer» D.  \[2\frac{3}{9}\]
461.

Value of\[0.30-\left( 0.2\times 1.5 \right)\]is

A.  \[-0.27\]                     
B.  \[0.27\]
C.  \[0\]                 
D.  \[2.5\]
Answer» D.  \[2.5\]
462.

Which of the following equal to \[\mathbf{1}.\overline{\mathbf{27}}\]

A.  \[\frac{19}{11}\]                      
B.  \[\frac{12}{11}\]          
C.  \[\frac{15}{11}\]                                  
D.  \[\frac{14}{11}\]
Answer» E.
463.

Which of the following is the decimal representation of 1/7

A.  \[0.\overline{241857}\]              
B.  \[~0.14\overline{2857}\]        
C.  \[0.\overline{142857}\]       
D.  \[0.\overline{148257}\]
Answer» D.  \[0.\overline{148257}\]
464.

Every integer is a ______ number.

A. whole                          
B. natural
C. rational          
D. positive
Answer» D. positive
465.

If\[{{2}^{n}}-1\]is a prime number , then \[{{2}^{n}}^{-1}\left( {{2}^{n}}-1 \right)\] is_____

A.  a prime number  
B.         a super number
C.  a perfect number
D.         an odd number
E.  None of these
Answer» D.         an odd number
466.

The product of two proper fractions is ________.

A. not less than one
B. less than each of the two fractions
C. more than one
D. more than each of the two fractions
E. None of these
Answer» C. more than one
467.

Which among the following is not a rational number between\[\frac{9}{-23}\,and\,\frac{-7}{9}\]?

A.  \[\frac{-121}{207}\]                             
B.  \[\frac{-80}{207}\]       
C.  \[\frac{-160}{207}\]                 
D.         \[\frac{-306}{414}\]
E.  None of these
Answer» C.  \[\frac{-160}{207}\]                 
468.

Find the greatest four-digit number which when divided by 20, 30, 35 and 45 leaves remainder 12 in each case.

A. 8442
B. 8242
C. 8832 
D. 9892
E. None of these
Answer» D. 9892
469.

A perfect number is the number for which sum of all its factors is equal to_____

A.  one less than twice the number
B.  one more than twice the number
C.  twice the number       
D.  one less than twice the number
E.  None of these
Answer» D.  one less than twice the number
470.

Which among the following number is not divisible by 182?

A.  309400              
B.         993720
C.  159562    
D.         527800
E.  None of these
Answer» D.         527800
471.

Which one among the following is not a correct statement?

A. The multiplicative inverse of zero does not exist.
B. The product of a proper and improper fraction is always less than the improper fraction.
C. All rational numbers cannot be represented on the number line.
D. The sum of two proper fractions may be an improper fraction.
E. None of these
Answer» D. The sum of two proper fractions may be an improper fraction.
472.

If \[\mathbf{m}\text{ }+\text{ }\mathbf{1}\] and \[\mathbf{n}\text{ }-\text{ }\mathbf{1}\] are integers then which of the following may not be an integer?

A. \[\left( m+n \right)~\]
B. \[\left( m\text{ }+\text{ }5 \right)\text{ }-\text{ }\left( n\text{ }+\text{ }2 \right)\]
C. \[\left( m-3 \right)\,\,\div \,\,\left( n+4 \right)~\]
D. \[\left( m\text{ }+\text{ }2 \right)\times \left( n\text{ }-\text{ }3 \right)\]
E. None of these
Answer» D. \[\left( m\text{ }+\text{ }2 \right)\times \left( n\text{ }-\text{ }3 \right)\]
473.

In a test, + 4 marks are given for every correct answer and - 1 mark for every incorrect answer and 0 for not choosing any answer. If Yashika secured 110 marks in the test having 40 questions, then which one among the following can be a possibility of marking a correct or incorrect answer by her?

A. 28 correct, 2 incorrect
B. 29 correct, 6 incorrect
C. 30 correct, 10 incorrect
D. All the above
E. None of these
Answer» E. None of these
474.

Which among the following statements is incorrect for any three numbers m, n and p?

A.  lf \[m>n\]and \[p<n\]then \[p>m\]
B.  if \[m>n\] and \[p~\ne 0\]then \[m+p>n+p\]
C.  If \[m>n\] and \[n>p\]then \[m>p\]
D.  If \[m>n\] and \[p<0\]then \[mp>np\]
E.  None of these
Answer» B.  if \[m>n\] and \[p~\ne 0\]then \[m+p>n+p\]
475.

Which of the following does not represent an integer?

A. \[0\text{ }\div \text{ }\left( -\text{ }4 \right)\]
B. \[-\text{ }35\text{ }\div \text{ }15\]
C. \[75\div \left( -25 \right)\]
D. \[105\div 7\]
E. None of these
Answer» C. \[75\div \left( -25 \right)\]
476.

If a positive integer is multiplied by 4, then the product is equal to the cube of that integer. Find the integer.

A.  16                      
B.         54
C.  2           
D.  128
E.  None of these
Answer» D.  128
477.

In a question of division, divisor is 9, Quotient is 114 and remainder is 5, then the dividend is _______

A.  1121                  
B.         1331
C.  1031        
D.         1271
E.  None of these
Answer» D.         1271
478.

Isha and Angelina participated in a hurdle race. The race was conducted in 7 parts. In the first part, Isha lost by 10 seconds. In the second part she won by \[\mathbf{1}\frac{\mathbf{1}}{\mathbf{2}}\] minutes. In the third part Angelina won by 25 seconds but she lost it by 15 seconds in fourth part and won it by 1 minute in fifth part. In the sixth part Isha won by 8 seconds and in the last part of the race, Angelina won it by 20 seconds. Who won the race finally and by how much time?

A. Isha, by 2 seconds 
B. Angelina, by 3 seconds
C. Isha, by 3 seconds
D. Angelina, by 2 seconds
E. None of these
Answer» E. None of these
479.

If the sum of two numbers a and b is equal to double of a, then value of b will be ________

A.  greater than a     
B.         less than a
C.  equal to a      
D.         more than 10
E.  None of these
Answer» D.         more than 10
480.

Solve: \[\frac{\mathbf{1}}{\mathbf{3}\frac{\mathbf{4}}{\mathbf{5}}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{5}\frac{\mathbf{3}}{\mathbf{7}}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{3}\frac{\mathbf{9}}{\mathbf{16}}}\mathbf{-}\frac{\mathbf{1}}{\mathbf{5}\frac{\mathbf{5}}{\mathbf{18}}}\]

A. \[\frac{303}{470}\]
B. \[\frac{307}{570}\]
C. \[\frac{209}{470}\]
D. \[\frac{323}{570}\]
E. None of these
Answer» C. \[\frac{209}{470}\]
481.

Choose the greatest number among the following:

A.  \[{{\left[ {{(3+3)}^{2}} \right]}^{2}}\]         
B.         \[{{\left[ 3\times 3\times 3 \right]}^{2}}\]
C.  \[{{\left[ 3\div 3+3 \right]}^{3}}\]        
D.         \[{{3}^{3}}+{{3}^{3}}\]
E.  \[{{\left[ {{3}^{2}}+{{3}^{2}} \right]}^{3}}\]
Answer» F.
482.

How many \[\frac{\mathbf{3}}{\mathbf{5}}\] kg pieces can be cut from a cake of weight 6 kg?

A. 12
B. 10
C. 8   
D. 9
E. None of these
Answer» C. 8   
483.

The unit digit of \[({{7}^{95}}-{{3}^{58}})\] is____

A.  7                        
B.         1
C.  4         
D.         9
E.  None of these
Answer» D.         9
484.

The difference of squares of two consecutive numbers is 31. The numbers are _____

A.  16 and 18          
B.         16 and 17
C.  15 and 16      
D.  17 and 18
E.  None of these
Answer» D.  17 and 18
485.

The LCM of two numbers is 1800. Which of the following cannot be the HCF of two numbers?

A. 45
B. 225
C. 400
D. 200
E. None of these
Answer» D. 200
486.

If A = \[{{\left( -\text{ }1 \right)}^{1}}+{{\left( -\text{ }1 \right)}^{2}}+{{\left( -\text{ }1 \right)}^{3}}+\_\_\_\_\_\_+{{\left( -\text{ }1 \right)}^{1001}}\] and B = \[{{\left( -\text{ }1 \right)}^{1}}-{{\left( -\text{ }1 \right)}^{2}}+{{\left( -\text{ }1 \right)}^{3}}-{{\left( -\text{ }1 \right)}^{4}}+\_\_\_\_\_\_+{{\left( -\text{ }1 \right)}^{1001}},\text{ }\] then find A - B.

A. -1002
B.  1000
C. -1001
D.  1001
E. None of these
Answer» C. -1001
487.

The unit digit of \[{{\left( 8127 \right)}^{173}}\] is _____

A.  1                        
B.  9
C.  3                         
D.     7
E.  None of these
Answer» E.  None of these
488.

If \[\mathbf{m}\text{ }=\text{ }\left( -\text{ }\mathbf{28} \right)\text{ }+\text{ }\mathbf{26}\text{ }+\text{ }\left( -\text{ }\mathbf{28} \right)\text{ }+\text{ }\mathbf{26}\text{ }+\text{ }\_\_\_\_\] \[\left( \mathbf{40}\text{ }\mathbf{terms} \right)\text{ }\mathbf{and}\text{ }\mathbf{n}\text{ }=\text{ }\mathbf{39}\text{ }+\text{ }\left( -\text{ }\mathbf{35} \right)\text{ }+\text{ }\mathbf{39}\text{ }+\] \[\left( -\text{ }\mathbf{35} \right)\text{ }+\_\_\_\_\_\_\text{ }\left( \mathbf{40}\text{ }\mathbf{terms} \right)\] then m-n is equal to.

A. -120   
B. 40  
C. -40 
D. 120
E. None of these
Answer» B. 40  
489.

The sum of digits of a two digit number is 7 and their product is 12, what will be the difference of two digits?

A.  4                         
B.         1
C.  2                                
D.  3
E.  None of these
Answer» C.  2                                
490.

\[\mathbf{3}.\overline{\mathbf{2}}\text{ }+\text{ }\mathbf{2}.\overline{\mathbf{3}}\text{ }+\text{ }\mathbf{5}.\overline{\mathbf{7}}\] =_________.

A. 11.323232..............  
B. 11.333333..............
C. 10.323232   
D. 11.3333
E. None of these
Answer» C. 10.323232   
491.

Identify the rational number which does not belong with the other three.

A.  \[\frac{-4}{5}\,\]          
B.         \[\,\frac{-3}{7}\]         
C.  \[\frac{-2}{9}\,\]         
D.         \[\frac{9}{-11}\]
E.  None of these
Answer» C.  \[\frac{-2}{9}\,\]         
492.

The next number in the pattern - 34, - 21, - 8, 5, _________ is

A. 17
B. 18
C. 19 
D. 20
E. None of these
Answer» C. 19 
493.

Which one among the following is true?

A. \[\sqrt{m}+\sqrt{n}=\sqrt{m+n}\]
B. \[\sqrt{(m+1)}+\sqrt{(n+1)}=\sqrt{(m+1)(n+1)}\]
C.  \[\sqrt{m}-\sqrt{n}=\sqrt{m-n}\]
D. \[\frac{1}{\sqrt{m}+\sqrt{n}}=\sqrt{m}-\sqrt{n}\]
E. None of these
Answer» C.  \[\sqrt{m}-\sqrt{n}=\sqrt{m-n}\]
494.

If * 35624 is divisible by 11, then the value of * is ____

A.  3                    
B.         4           
C.  6     
D.         8
E.  None of these
Answer» D.         8
495.

The least number which when divided by 24, 28 and 32 leaves zero as its remainder, is ________     

A. 784
B. 568
C. 720  
D. 672
E. None of these
Answer» E. None of these
496.

Find the multiplicative inverse of\[(a+2)+\frac{4}{(a-2)}\].

A.  \[\frac{a}{\left( a+2 \right)}\]                 
B.         \[\frac{{{a}^{2}}}{a-2}\]    
C.  \[\frac{\left( a-2 \right)}{{{a}^{2}}}\] 
D.  \[\frac{a}{\left( a-2 \right)}\]
E.  None of these
Answer» D.  \[\frac{a}{\left( a-2 \right)}\]
497.

\[\mathbf{0}.\overline{\mathbf{3}}+\mathbf{0}.\overline{\mathbf{4}}\] is equal to __________.

A. 0.777 
B. 0.7777_______
C. \[\frac{7}{9}\]
D. both B and C
E. None of these
Answer» E. None of these
498.

Find the sum of \[3\,.\,3\,3\,3\,3\,3\,3\,........\]\[+\text{ }5\,.\,5\,5\,5\,5\,5\,5\,5\,5...........\]

A.  \[\frac{80}{9}\]       
B.         \[\frac{80}{11}\]           
C.  \[\frac{70}{9}\]            
D.         \[\frac{88}{10}\]
E.  None of these
Answer» B.         \[\frac{80}{11}\]           
499.

The sum of two numbers is 40 and their product is 3680. The sum of their reciprocals is ________.

A. \[\frac{2}{77}\]
B. \[\frac{2}{47}\] 
C. \[\frac{1}{84}\]  
D. \[\frac{1}{92}\]
E. None of these
Answer» E. None of these
500.

The greatest number, which leaves remainders 3 and 5 on dividing 523 and 429 respectively, is_____

A.  6                    
B.         12          
C.  8       
D.         14
E.  None of these
Answer» D.         14