Explore topic-wise MCQs in 9th Class.

This section includes 1900 Mcqs, each offering curated multiple-choice questions to sharpen your 9th Class knowledge and support exam preparation. Choose a topic below to get started.

1301.

AD is a diameter of a circle and AB is a chord. If AD = 34 cm, AB = 30 cm then the distance of AB from the centre of the circle is ____.

A.  17 cm   
B.         8 cm    
C.         4 cm     
D.         15 cm  
Answer» C.         4 cm     
1302.

In the given figure, \[\Delta ABC\] is inscribed in a circle with centre O. If \[\angle ACB={{65}^{o}},\]find\[\angle ABC.\]

A.  25°      
B.  35°         
C.  90°      
D.    65°
Answer» B.  35°         
1303.

Which of the following is not an improper fraction?

A.   1         
B.         \[\frac{3}{2}\]
C.  \[\frac{5}{3}\]        
D.         \[\frac{7}{11}\]  
Answer» E.
1304.

Two chords AB and CD of a circle cut each other when produced outside the circle at P. AD and BC are joined. If \[\angle BAD={{30}^{o}}\]and \[\angle CPA={{45}^{o}},\]find \[\angle CBP.\]

A. \[105{}^\circ \]            
B. \[115{}^\circ \]   
C. \[135{}^\circ \]
D. \[75{}^\circ \]
Answer» B. \[115{}^\circ \]   
1305.

What are the coordinates of origin?

A. \[(0,\,\,1)\]
B. \[(1,\,\,0)\]         
C. \[(0,\,\,0)\]          
D.        \[(1,\,\,1)\]
Answer» D.        \[(1,\,\,1)\]
1306.

In the given figure,\[\overset\frown{PQR}=\overset\frown{SRQ.}\] Which of the following is correct?

A. \[PQ\ne SR\]    
B. \[PS=QR\]   
C. \[PQ=SR\]     
D.   \[PS\ne QR\]
Answer» D.   \[PS\ne QR\]
1307.

\[1.\overline{3}\] is equal to

A.  \[\frac{3}{4}\]       
B.         \[\frac{2}{3}\]
C.  \[\frac{4}{3}\]          
D.         \[\frac{2}{5}\]
Answer» D.         \[\frac{2}{5}\]
1308.

ABCD is a rectangle with O as any point in its interior. If \[ar(\Delta AOD)=3c{{m}^{2}}\]  and \[ar\,(\Delta BOC)\]\[=6\,c{{m}^{2}},\]then area of rectangle ABCD is

A. \[~9\,c{{m}^{2}}\]        
B.        \[~12\text{ }c{{m}^{2}}\]      
C.        \[~15\,c{{m}^{2}}\]                
D.        \[~18\,c{{m}^{2}}\]
Answer» E.
1309.

A triangle and a rhombus are on the same base and between the same parallels. What is the ratio of area of triangle to that of rhombus?

A.  1 :1      
B.  1 : 2   
C.    1 : 3    
D.    1 : 4
Answer» C.    1 : 3    
1310.

The diagonals AC and BD of a parallelogram ABCD intersect at O.P is a point on AC such that \[AP=\frac{1}{4}AC.\]Which of the following is true?

A. \[ar(\Delta ADP)=ar(\Delta APB)\]
B. \[ar(\Delta ADP)=ar(\Delta DOC)\]
C.  \[ar(\Delta ADP)=ar(\Delta BCD)\]
D. \[ar(\Delta ADP)=ar(\Delta ADB)\]
Answer» B. \[ar(\Delta ADP)=ar(\Delta DOC)\]
1311.

Identify the co-ordinates of the point which lies on \[y\text{-}\]axis at a distance of \[4\] units in negative direction of \[y\text{-}\]axis.

A. \[(0,\,\,4)\]         
B.        \[(4,\,\,0)\]         
C. \[(0,\,\,-4)\]        
D.        \[(-4,\,\,0)\]         
Answer» D.        \[(-4,\,\,0)\]         
1312.

In the given figure, AB and BC are two chords of the circle with centre O, where\[\angle BAO={{50}^{o}};\]\[\angle BCO={{35}^{o}},\] then \[\angle AOC\]is equal to ____.  

A. \[{{170}^{o}}\]
B.        \[{{70}^{o}}\]   
C.        \[{{150}^{o}}\]
D.         None of these
Answer» B.        \[{{70}^{o}}\]   
1313.

In the given figure,\[\Delta XYZ\]is inscribed in a circle with centre O. If the length of the chord YZ is equal to the radius of the circle OY, find the measure of\[\angle XYZ.\]

A. \[60{}^\circ \]             
B. \[30{}^\circ \]      
C. \[80{}^\circ \] 
D. \[100{}^\circ \]
Answer» C. \[80{}^\circ \] 
1314.

AB is a chord of a circle with centre O and radius 17 cm. If \[OM\bot AB\] and OM = 8 cm, find the length of chord AB.

A.  12cm              
B.  30cm
C.  15cm             
D.    24cm 
Answer» C.  15cm             
1315.

In the given figure,\[\angle ABD={{70}^{o}},\angle ADB={{30}^{o}}.\] Then, \[\angle BCD\]is ____.

A. \[{{90}^{o}}\]
B.        \[{{80}^{o}}\]
C.        \[{{100}^{o}}\]
D.        \[{{120}^{o}}\]
Answer» D.        \[{{120}^{o}}\]
1316.

The distance between - 9 and 0 is

A.  0          
B.         9  
C.  8          
D.         ? 9
Answer» C.  8          
1317.

\[\text{5}.\overline{\text{2}}\]is equal to

A.  \[\frac{45}{9}\]         
B.  \[\frac{7}{11}\]
C.  \[\frac{47}{9}\] 
D.  None of these
Answer» D.  None of these
1318.

If a sprinter takes 40 steps in 11 seconds. How many steps does he take in 55 seconds?

A.  173     
B.         180
C.  190          
D.  200  
Answer» E.
1319.

Following are the steps of construction of a rectangle ABCD whose adjacent sides are  of lengths 5 cm and 3.5 cm. Arrange them and select the CORRECT option. (p) Draw a line segment BC of length 5 cm. (q) With A as centre, draw an arc of radius 5 cm. (r) Draw an\[\angle XBC={{90}^{o}}\]at point B of line segment BC. (S) Cut a line segment AB = 3.5 cm on \[\overrightarrow{BX}\] (T) With C as centre, draw an arc of radius 3.5 cm which intersects the arc at D. (U) Join AD and CD.

A. \[(p)\to (s)\to (q)\to (r)\to (u)\to (t)\]
B. \[(p)\to (r)\to (s)\to (q)\to (t)\to (u)\]
C. \[(p)\to (s)\to (r)\to (q)\to (t)\to (u)\]
D. \[(p)\to (q)\to (r)\to (s)\to (u)\to (t)\]
Answer» C. \[(p)\to (s)\to (r)\to (q)\to (t)\to (u)\]
1320.

Which of the following angles CANNOT be constructed by using ruler and compass only?

A. \[{{30}^{o}}\]
B.        \[{{45}^{o}}\]
C. \[{{70}^{o}}\]
D.        \[{{90}^{o}}\]
Answer» D.        \[{{90}^{o}}\]
1321.

The counting numbers 1, 2, 3, 4, ... are called

A.  whole numbers  
B.  natural numbers  
C.  integers   
D.  None of these
Answer» C.  integers   
1322.

The number of composite number between 101 and 120 are

A.  11       
B.         12
C.  13 
D.  14  
Answer» E.
1323.

In the given figure, S and T are the mid- points of PR and PQ respectively of \[\Delta PQR.\]If ar \[(\Delta PQR)=48c{{m}^{2}},\] find the area of (ATSQ).\[(\Delta TSQ).\]

A. \[48\,c{{m}^{2}}\]               
B.   \[~24\,c{{m}^{2}}\]
C.   \[~12\,c{{m}^{2}}\]            
D.   \[~6\,c{{m}^{2}}\]
Answer» D.   \[~6\,c{{m}^{2}}\]
1324.

The perpendicular distance of a point from the x-axis is 4 units and its perpendicular distance from the y-axis is 5 units. What are the co-ordinates of such a point if it lies in the II Quadrant?

A. \[(-4,\,\,5)\]
B.  \[(-5,\,\,4)\]       
C.        \[(-4,\,\,-5)\]        
D.        \[(5,\,\,-4)\]
Answer» C.        \[(-4,\,\,-5)\]        
1325.

The given figure shows a circle with centre O in which a diameter AB bisects the chord PQ at the point R. If PR = RQ = 8 cm and RB = 4 cm. find the radius of the circle.

A.  10 cm             
B.  8 cm 
C.  16 cm            
D.    6 cm
Answer» B.  8 cm 
1326.

If \[\mathbf{p(x)=}{{\mathbf{x}}^{\mathbf{6}}}\mathbf{-7}{{\mathbf{x}}^{\mathbf{3}}}\mathbf{-8}\] then which of the following is /are factor(s) of p(x)?

A. \[{{x}^{2}}+2x+4\]
B.           \[{{x}^{2}}-x+1\]
C. both A and B    
D.          \[(x+2)\]
E. None of these
Answer» D.          \[(x+2)\]
1327.

If two cars A and B move towards each other, where car A starts at 9 a.m. and car B at 10 a.m. The speeds of the car A and B ar 40 km/hr and 50 km/hr respectively. What distance does car travel when the two cars meet, if the initial distance between A and B is 400 km?

A.  100 km         
B.         200 km      
C.  300 km      
D.         400 km
Answer» C.  300 km      
1328.

The equation of a line passing through the points \[\mathbf{(-6, -4)}\] \[\mathbf{(0, 2)}\] and \[\mathbf{(-2,  0)}\] is _________

A. \[y+x=2\]        
B.           \[y-x=2\]
C. \[x-y=2\]          
D.           \[x+y=-\,2\]
E. None of these
Answer» C. \[x-y=2\]          
1329.

AD is the median of a\[\Delta ABC\]and the area of \[\Delta ADC=15\,c{{m}^{2}}.\]Find the ar \[(\Delta ABC.)\]

A. \[~15\,c{{m}^{2}}\]            
B. \[22.5c{{m}^{2}}\] 
C.   \[~30\text{ }c{{m}^{2}}\]             
D.   \[~37.5\text{ }c{{m}^{2}}\]
Answer» D.   \[~37.5\text{ }c{{m}^{2}}\]
1330.

If two buses are moving in the opposite directions, their speed having 35 km/hr and 30 km/hr respectively, find their relative speed?

A.  5 km/hr         
B.         15 km/hr
C.  25 km/hr        
D.         65 km/hr  
Answer» E.
1331.

Identify the ordered pairs that result in a quadrilateral.

A.  \[(1,\,\,-1),\,\,(2,\,\,-2),\,\,(4,\,\,-4),\,\,(6,\,\,-6)\]
B.  \[(1,\,\,0),\,\,(-3,\,\,0),\,\,(6,\,\,0),\,\,(-8,\,\,0)\]
C.  \[(3,\,\,2),\,\,(2,\,\,3),\,\,(-4,\,\,5),\,\,(5,\,\,-3)\]
D.  \[(0,\,\,-5),\,\,(0,\,\,0),\,\,(0,\,\,3),\,\,(0,\,\,5)\]
Answer» D.  \[(0,\,\,-5),\,\,(0,\,\,0),\,\,(0,\,\,3),\,\,(0,\,\,5)\]
1332.

Which of the following graph represents the point?

A.          
B.       
C.       
Answer» B.       
1333.

If D be subset of the set of all rational numbers, which can be expressed as terminating decimals, then D is closed under the binary operations of

A.  addition, subtraction and division.
B.  addition, multiplication and division.
C.  addition, subtraction and multiplication.
D.  subtraction, multiplication and division.
E. None of these  
Answer» F.
1334.

In the given figure, ABCD is a parallelogram and L is the mid-point of DC. If ar (ABCL) is \[72\,c{{m}^{2}},\] find ar \[(\Delta ADC).\]

A. \[24\text{ }c{{m}^{2}}\]      
B.   \[~48\text{ }c{{m}^{2}}\]  
C.   \[~36c{{m}^{2}}\]              
D.   \[~54c{{m}^{2}}\]
Answer» C.   \[~36c{{m}^{2}}\]              
1335.

ABCD is a parallelogram. Two lines\[l\]and m are parallel to AD. Line\[l\]meets AB and CD at P and S respectively. Line m meets AB and CD at Q and R respectively. X is any point on CD between R and S. If\[ar(\Delta DPX)+ar(\Delta CQX)=kar(ABCD),\]find k.

A. \[\frac{2}{3}\]    
B.         \[\frac{3}{2}\]  
C.         \[\frac{1}{2}\]   
D.         \[\frac{1}{3}\]  
Answer» D.         \[\frac{1}{3}\]  
1336.

If  \[\frac{\mathbf{p}}{\mathbf{q}}\mathbf{+}\frac{\mathbf{q}}{\mathbf{p}}\mathbf{=-1}\], then find the  value of \[{{\mathbf{p}}^{\mathbf{3}}}\mathbf{-}{{\mathbf{q}}^{\mathbf{3}}}\] _______

A. 0         
B.     2pq
C. 1         
D.     -1
E. None of these
Answer» B.     2pq
1337.

In the given figure, AEDF is a cyclic quadrilateral. The values of \[x\] and y respectively are          

A. \[{{79}^{o}},\,\,{{47}^{o}}\]
B.        \[{{89}^{o}},\,\,{{37}^{o}}\]
C.        \[{{89}^{o}},\,\,{{47}^{o}}\]
D.        \[{{79}^{o}},\,\,{{37}^{o}}\]
Answer» C.        \[{{89}^{o}},\,\,{{47}^{o}}\]
1338.

\[\sqrt{\mathbf{(}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{-x-2)(2}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{+5x+3)(2}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{-x-6)}}\]equals to ________

A. \[(x-1)(x+2)(x-3)\]          
B.         \[(x+1)(x-2)(x-3)\]
C. \[(x+1)(2x+3)(x-2)\]
D.        \[(x-1)(x+2)(2x+3)\]
E. None of these
Answer» D.        \[(x-1)(x+2)(2x+3)\]
1339.

The area of a square is\[36\text{ }c{{m}^{2}}.\] If the side of the square is doubled, what is the ratio of area of the original square to that of the new square formed?

A.  4 :1       
B.  4 : 3    
C.    1:4       
D.    1:2     
Answer» D.    1:2     
1340.

Two parallel chords on the same side of the centre of a circle are 10 cm and 24 cm long and their distance apart is 7 cm. Determine the radius of the circle.

A.  13 cm     
B.  8 cm 
C.  5 cm              
D.    7 cm
Answer» B.  8 cm 
1341.

In the given figure, POQ is a diameter of a circle with centre O and PQRS is a cyclic quadrilateral.  SQ  is  drawn.  If \[\angle R={{138}^{o}},\]find \[\angle PQS.\]

A. \[90{}^\circ \]   
B. \[42{}^\circ \]
C. \[48{}^\circ \]   
D. \[38{}^\circ \]
Answer» D. \[38{}^\circ \]
1342.

A turtle moves i inches in W minutes. At the rate, how many feet can it move in h hour?

A.  \[\frac{5hi}{m}\]         
B.         \[\frac{60hi}{m}\]
C.  \[\frac{hi}{12m}\]          
D.         \[\frac{5m}{hi}\]
Answer» B.         \[\frac{60hi}{m}\]
1343.

ABCD is a quadrilateral whose vertices arc on a semicircle such that AB = BC = CD = 10 cm and AD is diameter of the circle with centre O. Find the perimeter of the

A.  80 cm  
B.  70 cm
C.  60 cm
D.      50 cm
Answer» E.
1344.

Which of the following options is INCORRECT?

A.  An angle of \[{{52.5}^{o}}\] can be constructed.
B.  A triangle ABC can be constructed in which AB = 5 cm, \[\angle A={{45}^{o}}\]and BC + AC = 5 cm.
C.  A triangle ABC can be constructed in which BC = 6 cm, \[\angle C={{30}^{o}}\]and AC - AB = 4 cm.
D.  A triangle ABC can be constructed in which \[\angle B={{60}^{o}},\angle C={{45}^{o}}\]and AB + BC + AC = 12 cm.
Answer» C.  A triangle ABC can be constructed in which BC = 6 cm, \[\angle C={{30}^{o}}\]and AC - AB = 4 cm.
1345.

In the given figure, D, E and F are the mid- points of the sides BC, CA and AB respectively of a \[\Delta ABC.\] If ar \[(\Delta DEF)=14c{{m}^{2}},\] find the area of \[\Delta ABC.\]

A. \[~14\,c{{m}^{2}}\]            
B.   \[~28\,c{{m}^{2}}\] 
C.   \[~7\text{ }c{{m}^{2}}\]                
D.   \[~56\text{ }c{{m}^{2}}\]
Answer» E.
1346.

The set of natural numbers is closed under the binary operations of

A.  addition, subtraction, multiplication and division.
B.  addition, subtraction, multiplication but not division.
C.  addition and multiplication but not subtraction and division.  
D.  addition and subtraction but not multiplication and division.
Answer» D.  addition and subtraction but not multiplication and division.
1347.

Choose the fraction which is equivalent to \[\frac{15}{20}\]

A.  \[\frac{12}{15}\] 
B.  \[\frac{51}{12}\]
C.  \[\frac{4}{3}\]       
D.         \[\frac{12}{16}\]   
Answer» E.
1348.

ABCD is a parallelogram and 'O' is the point of intersection of its diagonals \[\overline{AC}\] and\[\overline{BD}.\]If the area of\[\Delta AOD=8\,c{{m}^{2}},\] what is the area of the \[\Delta BOC?\]

A. \[2\,c{{m}^{2}}\]                
B.   \[4\,c{{m}^{2}}\]    
C.   \[8\,c{{m}^{2}}\]                
D.   \[32\,c{{m}^{2}}\]  
Answer» D.   \[32\,c{{m}^{2}}\]  
1349.

In the given figure, ABCD is a parallelogram and P is mid-point of AB. If \[(APCD)=36\,c{{m}^{2}},\]then \[ar\,(\Delta ABC)=\]

A. \[36\text{ }c{{m}^{2}}\]    
B.        \[~48\,c{{m}^{2}}\]     
C.        \[24\text{ }c{{m}^{2}}\]   
D.         None of these        
Answer» D.         None of these        
1350.

If the point \[\mathbf{(-3, 8)}\] lies on the line \[\mathbf{3y-7x+a=0}\], then the value of \[\frac{\mathbf{3a}}{\mathbf{5}}\] is _________ .

A. 27         
B.           \[-\]27
C. 18         
D.           \[-\]18
E. None of these
Answer» C. 18