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.

1401.

DIRECTIONS: If WORK is coded like 4-12-9-18 then, how will you code the following? BANK

A. 7-1-13-4-5-14 
B. 20-25-5-21-22-13
C. 20-26-9-23-22-13       
D. None of these
Answer» E.
1402.

If\[2A=3B=4C\]. what is the value of\[A:B:C\]?

A.  \[2:3:4\]             
B.         \[4:3:2\]
C.  \[3:4:6\]             
D.         \[6:4:3\]  
Answer» E.
1403.

a % of b + b % of a is equal to

A. 3% of ab          
B. 2% of ab
C. 2% of (a+b)  
D. 5% of ab
Answer» D. 5% of ab
1404.

Classify the following expressions into monomial, binomial and trinomial. (i) \[4{{p}^{2}}q-4p{{q}^{2}}\] (ii) \[7mn\] (iii) \[1+x+{{x}^{2}}\]

A. i - binomial, ii - monomial, iii ? trinomial
B. i - trinomial, ii - monomial, iii - binomial
C. i - binomial, ii - trinomial iii - monomial
D. i - monomial, ii - binomial iii ? trinomial
Answer» B. i - trinomial, ii - monomial, iii - binomial
1405.

\[6\frac{1}{4}%\] of y is 2, then y is

A. 18  
B. 20
C. 32    
D. 22
Answer» D. 22
1406.

If \[20:5::p\text{ }1,\] what is the value of p?

A.  \[\frac{1}{5}\]            
B.         \[4\]      
C.  \[5\]         
D.         \[1\]
Answer» C.  \[5\]         
1407.

In a certain code language, (a) 'dugo hui mul zo' stands for 'work is very hard'; (b) 'hui dugo ba ki' for' Bingo is very smart'; (c) 'nano mul dugo' for 'Cake is hard'; and (d) 'mul ki qu' for 'smart and hard'. Which of the following words stand for 'Bingo'?

A. jalu
B. dugo
C. ki   
D. ba
Answer» E.
1408.

The third term of the series \[7n+20\] is 41. What is the 10th term?

A.  \[90\]          
B.         \[56\]  
C.  \[63\]       
D.         \[87\]
Answer» B.         \[56\]  
1409.

Exponential form of \[{{a}^{5}}\times a\times a\times {{b}^{3}}\times {{b}^{2}}\] is

A.  \[{{b}^{7}}{{a}^{5}}\]   
B.  \[{{a}^{7}}{{b}^{5}}\]
C.  \[{{(ab)}^{7}}\]      
D.  \[{{(ab)}^{5}}\]
Answer» C.  \[{{(ab)}^{7}}\]      
1410.

If \[5x+2=5,\] then\[x\]equals

A.  \[\frac{4}{5}\]  
B.  \[\frac{2}{5}\]
C.  \[\frac{3}{5}\]
D.  \[\frac{6}{5}\]
Answer» D.  \[\frac{6}{5}\]
1411.

On subtracting the sum of \[\mathbf{-12}{{\mathbf{x}}^{\mathbf{2}}}{{\mathbf{y}}^{\mathbf{3}}}\mathbf{+6}{{\mathbf{x}}^{\mathbf{2}}}{{\mathbf{y}}^{\mathbf{2}}}\] and \[\mathbf{-5}{{\mathbf{y}}^{\mathbf{2}}}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{+}\,\,\mathbf{13}{{\mathbf{x}}^{\mathbf{3}}}{{\mathbf{y}}^{\mathbf{2}}}\,\,\mathbf{from}\,\,\mathbf{3}{{\mathbf{x}}^{\mathbf{4}}}\mathbf{-}{{\mathbf{x}}^{\mathbf{2}}}\]\[\mathbf{y}\text{ }+\text{ }\mathbf{8}{{\mathbf{x}}^{\mathbf{2}}}{{\mathbf{y}}^{\mathbf{3}}}-\mathbf{23}{{\mathbf{x}}^{\mathbf{3}}}{{\mathbf{y}}^{\mathbf{2}}}+\text{ }{{\mathbf{x}}^{\mathbf{2}}}{{\mathbf{y}}^{\mathbf{2}}}\], we get _________.

A. \[3{{x}^{4}}-{{x}^{2}}y+\,\,20{{x}^{2}}{{y}^{3}}-36{{x}^{3}}{{y}^{2}}\]
B.  \[3{{x}^{4}}-2{{x}^{2}}{{y}^{2}}-{{x}^{2}}y-4{{x}^{2}}{{y}^{3}}+10{{x}^{3}}{{y}^{2}}\]
C.  \[3{{x}^{4}}+2{{x}^{2}}{{y}^{2}}+{{x}^{2}}y+4{{x}^{2}}{{y}^{3}}-10{{x}^{3}}{{y}^{2}}\]
D. \[3{{x}^{4}}+{{x}^{2}}y+4{{x}^{2}}{{y}^{3}}-10{{x}^{3}}{{y}^{2}}\]
E. None of these
Answer» B.  \[3{{x}^{4}}-2{{x}^{2}}{{y}^{2}}-{{x}^{2}}y-4{{x}^{2}}{{y}^{3}}+10{{x}^{3}}{{y}^{2}}\]
1412.

DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Match the like terms in the Column-I and Column-II and select correct option from the options given below:

A.  \[\text{A-}\,\text{ii},B\text{-}\,\text{iii},C\text{-}i,D\,\text{-}iv\]
B.  \[\text{A-}\,\text{i},B\text{-}\,\text{iii},C\text{-}ii,D\,\text{-}iv\]
C.  \[\text{A-}\,\text{iii},B\text{-}\,\text{ii},C\text{-}iv,D\,\text{-}i\]
D.  \[\text{A-}\,\text{i},B\text{-}\,\text{ii},C\text{-}iii,D\,\text{-}iv\]
Answer» B.  \[\text{A-}\,\text{i},B\text{-}\,\text{iii},C\text{-}ii,D\,\text{-}iv\]
1413.

  Which among the following expression is not a polynomial?

A. 1       
B.  \[1+\frac{1}{x}\]
C.  x + 1  
D.    \[\frac{{{x}^{3}}}{{{x}^{2}}}\]
E.  None of these
Answer» C.  x + 1  
1414.

If\[\mathbf{a}\text{ }=\text{ }\mathbf{b}\], then which one among the following cannot be true?

A. \[a+c=b+c\]
B. \[2a+c-d=2b+c-d\]
C.  \[a+2b=2a+b\]
D.  \[a\text{ }+\text{ }2b\text{ }+\text{ }3c\text{ }=\text{ }3c-a\text{ }+\text{ }2b\]
E.  None of these
Answer» E.  None of these
1415.

Match the following. Column - I Column - II (i) \[{{a}^{2}}-{{b}^{3}}\] when \[a=3\]  and \[b=2\] (a) \[0\] (ii) \[{{z}^{3}}-3(z-10)\] when \[z=10\] (b) \[-12\] (iii) \[{{x}^{2}}+2x+1\] when \[x=-1\] (c) \[1000\] (iv) \[5p-2\] when \[p=-2\] (d) \[1\]

A. \[\left( i \right)-\left( d \right),\left( ii \right)-\left( a \right),\left( iii \right)-\left( b \right),\left( iv \right)-\left( c \right)\]
B. \[\left( i \right)-\left( d \right),\left( ii \right)-\left( c \right),\left( iii \right)-\left( b \right),\left( iv \right)-\left( a \right)\]
C. \[\left( i \right)-\left( a \right),\left( ii \right)-\left( b \right),\left( iii \right)-\left( c \right),\left( iv \right)-\left( d \right)\]
D. \[\left( i \right)-\left( d \right),\left( ii \right)-\left( c \right),\left( iii \right)-\left( a \right),\left( iv \right)-\left( b \right)\]
Answer» E.
1416.

A man sells two horses for Rs.4000 each, neither losing nor gaining in the deal. If he sold one horse at a gain of 25%, the other horse is sold at a loss of____.         

A.  \[33\frac{1}{3}%\]     
B.  \[16\frac{2}{3}%\]   
C.         \[50%\]         
D.         \[47%~\]        
Answer» C.         \[50%\]         
1417.

Which of the following are measurements of two triangles by which they are congruent under S.A.S condition?

A.  \[\Delta ABC:\angle B={{50}^{o}},BC=5cm,\] and \[AB=7cm.\] \[\Delta DEF:\angle E={{50}^{0}},EF=7cm,\]and\[DE=5cm.\]  
B.  \[\Delta ABC:BC=6cm,\] \[AC=4\,\,cm\] and \[\angle B={{35}^{o}}\] \[\Delta DEF:DF=4\,cm,\] \[EF=6\,cm\] and \[\angle D={{55}^{o}}\]
C. \[\Delta ABC:AB=4.5cm,\]\[AC=4cm\]and\[\angle A={{60}^{o}}\] \[\Delta DEF:DE=4cm,FD=4.5cm\]and\[\angle D={{55}^{o}}\]
D.  Either [b] or [c]
Answer» B.  \[\Delta ABC:BC=6cm,\] \[AC=4\,\,cm\] and \[\angle B={{35}^{o}}\] \[\Delta DEF:DF=4\,cm,\] \[EF=6\,cm\] and \[\angle D={{55}^{o}}\]
1418.

The given figure shows \[\Delta ABC\] & \[\Delta DBC,\] \[AB=DB\]and \[CA=CD\]   What is the measure of \[\angle DBC\]?

A.  \[115{}^\circ \]          
B.  \[100{}^\circ \]          
C.  \[150{}^\circ \]  
D.  \[155{}^\circ \]
Answer» B.  \[100{}^\circ \]          
1419.

Consider the following statements: (i) The value of\[{{\left( 5x-3y \right)}^{2}}-{{\left( 5x+3y \right)}^{2}}\]when\[x=-1\]and\[y=\frac{1}{5}\]is 12. (ii) Algebraic identity used to solve \[{{\left( 25.732 \right)}^{2}}-{{\left( 15.732 \right)}^{2}}\]is \[\left( a-b \right)\left( a+b \right)\] (iii) Value of\[\left( x+4 \right)\left( x-4 \right)\left( {{x}^{2}}+16 \right)\]is\[{{x}^{2}}-64.\] Which of the above statement is/are true?

A. only (i) and (iii)           
B. only (ii) and (iii)
C. only (i) and (ii)
D.          (i), (ii) and (iii)
Answer» D.          (i), (ii) and (iii)
1420.

The ratio of copper and zinc in an alloy is \[7:8\]If the weight of zinc is \[9.6\text{ }kg,\] what is the weight of copper in the alloy?

A.  \[9.4\text{ }kg\]          
B.         \[8.8\text{ }kg\]
C.  \[8.4\,kg\]       
D.         \[4.8\text{ }kg\]
Answer» D.         \[4.8\text{ }kg\]
1421.

A boy has enough money to buy 20 books. If each book costs 25 paise less, he could buy two more books and still have 70 paise left. How much money does the boy have?

A.  Rs.16   
B.         Rs.24
C.  Rs.48     
D.         Rs.36
Answer» D.         Rs.36
1422.

80% of 50% of 250% of 34 =?

A. 34         
B. 40
C. 42.5          
D. 43
Answer» B. 40
1423.

DIRECTIONS: Passage ? 2 Read the passage(s) given below and answer the questions that follow Sanjay Purchased 125 Stools at the rate of Rs. 120 per stool. The transport expenditure was Rs. 2 per stool i.e. Rs. 250. He sell these stools to two shops at a profit of 5%. Shop A got 25 stools, shop B got 100 stools. Both shops sell all the stools at a profit of 10%. Total Profit made by shop A on 25 stools is

A. Rs. 320.25  
B. Rs. 310.50
C. Rs. 300      
D. Rs. 315.75
Answer» B. Rs. 310.50
1424.

For the triangles \[\Delta ART\] and \[\Delta PEN\]given, if S.A.S. criterion should be used given \[\angle T=\angle N\] what are the respective measures of PN and RT?

A.  TR and PE   
B.  AR and PEA
C.  AT and EN     
D.  AR and PN
Answer» D.  AR and PN
1425.

If\[\Delta AOC\cong \Delta ODB,\]. then measure of \[\angle ODB\] is

A.  \[{{100}^{o}}\]      
B.  \[{{50}^{o}}\]          
C.         \[{{80}^{o}}\]  
D.         None of these
Answer» B.  \[{{50}^{o}}\]          
1426.

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): 2a + 3b + c is a trinomial Reason (R): An algebraic expression which contains only three terms is called trinomial.

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.
1427.

In the following figure, two triangles ABC and EDC are such that \[AC=EC,\text{ }BC=DC,\] \[\angle E={{60}^{o}},\] \[\angle DCE={{30}^{o}},\] and \[\angle B={{90}^{o}},\]. By which property is \[\Delta ABC\cong \Delta EDC\]?

A.  S.S.S. property
B.  S.A.S. property
C.  A.S.A. property
D.  R.H.S. property  
Answer» E.
1428.

Which one of the following is a solution of\[\frac{\mathbf{3x-7}}{\mathbf{3}}\mathbf{>}\frac{\mathbf{4x+2}}{\mathbf{5}}\]?

A. \[x>\frac{22}{3}\]
B.  \[x<\frac{22}{3}\]
C.  \[x>\frac{41}{3}\]
D.  \[x<\frac{41}{3}\]
E.  None of these
Answer» D.  \[x<\frac{41}{3}\]
1429.

The simplified expression of the expression    \[\mathbf{13}{{\mathbf{x}}^{\mathbf{3}}}-\text{ }\mathbf{12xy}{{\mathbf{z}}^{\mathbf{2}}}+\text{ }\mathbf{10}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{yz}\text{ }+\text{ }\mathbf{14xy}{{\mathbf{z}}^{\mathbf{2}}}+\text{ }\mathbf{13x}{{\mathbf{y}}^{\mathbf{2}}}\mathbf{z}\] \[+\text{ }{{\mathbf{y}}^{\mathbf{3}}}\] is __________.

A.      \[13{{x}^{3}}+2xy{{z}^{2}}+23x{{y}^{2}}z+y3~\]
B.  \[13{{x}^{3}}+2xy{{z}^{2}}+10{{x}^{2}}yz+13x{{y}^{2}}z+{{y}^{3~}}\]
C.  \[13{{x}^{3}}-2xy{{z}^{2}}+10{{x}^{2}}yz+13x{{y}^{2}}z+{{y}^{3}}~\]
D.  \[13{{x}^{3}}-2xy{{z}^{2}}+23x{{y}^{2}}+{{y}^{3}}\]
E.  None of these
Answer» C.  \[13{{x}^{3}}-2xy{{z}^{2}}+10{{x}^{2}}yz+13x{{y}^{2}}z+{{y}^{3}}~\]
1430.

DIRECTIONS: Passage ? 2 Read the passage(s) given below and answer the questions that follow Sanjay Purchased 125 Stools at the rate of Rs. 120 per stool. The transport expenditure was Rs. 2 per stool i.e. Rs. 250. He sell these stools to two shops at a profit of 5%. Shop A got 25 stools, shop B got 100 stools. Both shops sell all the stools at a profit of 10%. How much money Sanjay will get by selling 125 stools?

A. Rs. 16012.5      
B. Rs. 16,225.5
C. Rs. 17,225        
D. Rs. 17,825
Answer» B. Rs. 16,225.5
1431.

Consider the following algebraic identities. (i) \[{{(a+b)}^{2}}={{a}^{2}}+2ab+{{b}^{2}}\] (ii) \[{{(a-b)}^{2}}={{a}^{2}}-2ab+{{b}^{2}}\] (iii) \[{{a}^{2}}-{{b}^{2}}=(a-b)\,(a+b)\] (iv) \[(a+x)(a+y)={{a}^{2}}+a(x+y)+xy\] Which of the identity is/are incorrect?

A. only (i), (ii) and (iii)
B. only (i), (iii) and (iv)
C. only (ii), (iii) and (iv)
D. None of these
Answer» E.
1432.

Degree of zero is ____.  

A.  0   
B.  1  
C.         2  
D.         Not defined     
Answer» E.
1433.

DIRECTIONS: Read the information given below, and answer the questions that follow. If in a certain language, ENTRY is coded as 12345 and STEADY is coded as 931785, then state which the correct code is for each of the given words. ARREST

A. 744589          
B. 744193
C. 166479          
D. 745194
Answer» C. 166479          
1434.

In a certain code language '526' means 'sky is blue'; '24' means 'blue colour' and '436' means 'colour is fun'. Which of the following digit stands for 'fun'?

A. 5    
B. 4
C. 3       
D. 2
Answer» D. 2
1435.

Two satellites are being launched such that their distance while moving in their respective orbits, are equal from Earth and Moon.      Which of the following statements is/are true?

A.  Figure X is not congruent to figure Y.
B.  \[\angle 1\] and \[\angle 2\] are not equal.
C.  Both (a) and (b)
D.  None of these
Answer» E.
1436.

EXCURTION is coded as CXEURTNOI, SCIENTIST will be coded in the same manner as:

A. TSIICSNTE    
B. ICSNTETSI
C. ICSENTTSI    
D. ICSNTEIST
Answer» D. ICSNTEIST
1437.

The value of \[25{{x}^{2}}+16{{y}^{2}}+40xy\] at \[x=1\] and \[y=-1\]is

A. 81  
B.  \[-49\]
C. 1
D. None of these
Answer» D. None of these
1438.

By how much is  \[{{x}^{4}}-4{{x}^{2}}{{y}^{2}}+{{y}^{4}}\]less than \[{{x}^{4}}+8{{x}^{2}}{{y}^{2}}+{{y}^{4}}\]?

A.  \[-12{{x}^{2}}{{y}^{2}}\]
B.               \[12{{x}^{2}}{{y}^{2}}\]  
C.  \[-12xy\]            
D.         \[12xy\]
Answer» C.  \[-12xy\]            
1439.

Addition of \[\frac{{{a}^{2}}}{2}+\frac{{{b}^{3}}}{3}-\frac{{{c}^{3}}}{4}\], \[\frac{2{{a}^{2}}}{3}+\frac{3{{b}^{3}}}{4}-\frac{4{{c}^{3}}}{4},\] and \[{{a}^{2}}+{{b}^{3}}+{{c}^{3}}\]is ____.

A.    \[\frac{13}{6}a+\frac{25}{12}{{b}^{3}}-\frac{1}{20}{{c}^{3}}\]
B.    \[\frac{13}{6}{{a}^{2}}-\frac{1}{20}{{b}^{3}}+\frac{25}{12}{{c}^{3}}\]
C.    \[\frac{13}{6}{{a}^{2}}+\frac{25}{12}{{b}^{3}}-\frac{1}{20}{{c}^{3}}\]
D.    \[\frac{13}{6}{{a}^{2}}-\frac{25}{12}{{b}^{3}}+\frac{1}{20}{{c}^{3}}\]
Answer» D.    \[\frac{13}{6}{{a}^{2}}-\frac{25}{12}{{b}^{3}}+\frac{1}{20}{{c}^{3}}\]
1440.

What value of \[y\] would make expressions \[4y+5\] and\[-y+15\]equal?

A.  \[1\]          
B.  \[-2\]
C.  \[2\]         
D.  \[1\]
Answer» D.  \[1\]
1441.

In the given figure, triangles ABC and DCB are right angled at A and D respectively and \[AC=DB,\]then \[\Delta ABC\cong \Delta DCB\] by _____ criterion.

A.  AAA      
B.  SAS   
C.  ASS     
D.         None of these
Answer» E.
1442.

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): Value of \[{{\left[ {{(729)}^{-\frac{5}{3}}} \right]}^{-\frac{1}{2}}}\]is 243. Reason (R): For any two rational numbers a and b and for any integers m and n, we have\[{{(ab)}^{n}}={{a}^{n}}.{{b}^{n}}\]

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.
1443.

At what rate of interest per annum will a sum double itself in 8 years?

A.  25% 
B.         \[6\frac{1}{4}%\]
C.  \[12\frac{1}{2}%\]           
D.         \[3\frac{2}{5}%\]
Answer» D.         \[3\frac{2}{5}%\]
1444.

The value of \[\frac{1}{4}\{x-5(q-x)\}\]\[-\frac{3}{2}\left\{ \frac{1}{3}\left( q-\frac{x}{3} \right)-\frac{2}{9}\left[ x-\frac{3}{4}\left( q-\frac{4x}{5} \right) \right] \right\}\]is

A.  \[\frac{9x}{5}+\frac{q}{2}\] 
B.  \[\frac{9x}{4}-\frac{q}{2}\] 
C.         \[\frac{9x}{5}-\frac{q}{2}\]        
D.         \[\frac{11x}{5}-2q\]
Answer» E.
1445.

Find the value of the expression \[{{x}^{2}}+2x+1\] when\[x=-1\]

A.  \[1\]          
B.  \[0\]
C.  \[2\]          
D.  \[-1\]
Answer» C.  \[2\]          
1446.

DIRECTIONS: Read the information given below, and answer the questions that follow. In a certain Code (1) "rem tur dimi wee" means "my pencil was stolen", (2) "soz rem legh ner" means "you pencil is here", (3) "rem zet tur legh" means "blue pencil was here" and (4) "dimi rem tur soz" means "your pencil was stolen". Which of the following indicates "Blue pencil is stolen"?

A. Zet rem ner dimi
B. Ner legh tur zut
C. Dimi rem soz ner
D. Zet legh tur rem
Answer» B. Ner legh tur zut
1447.

What should be added to\[-3p+7q-16\] to get the sum 8?

A.  \[8\]       
B.  \[-3p+7q+8\]
C.  \[3p-7q+8\]   
D.  \[3p-7q+24\]
Answer» E.
1448.

Fill in the blanks. (i) Any expression with one or more terms is called a P. (ii) Terms which have the same algebraic factors are Q terms. (iii) The   R   is the numerical factor in the term. (iv) Algebraic expressions are formed from S and T.

A. P Q R S T  Binomial   unlike   term factors   constants     
B. P Q R S T  Polynomial like term factors   Constants     
C. P Q R S T  Trinomial unlike   coefficient variables Constants     
D. P Q R S T  Polynomial Like coefficient variables Constants
Answer» E.
1449.

DIRECTIONS: If WORK is coded like 4-12-9-18 then, how will you code the following? If TOY= 60 and BOY = 37 then, PLAY = ?

A. 65  
B. 35
C. 45  
D. 54
Answer» E.
1450.

If FADE is coded as UZWV, then what does IFHG stand for in the same code?

A. RUST        
B. PORT
C. HERI     
D. IHER
Answer» B. PORT