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.

251.

In a quadrilateral ABCD, the line segments bisecting \[\angle C\]and \[\angle D\]meet at E. Then \[\angle A+\angle B\]is equal to _____.

A. \[\angle CED\]               
B.        \[\frac{1}{2}\angle CED\]           
C.        \[2\angle CED\]              
D.         None of these               
Answer» D.         None of these               
252.

In a square\[ABCD\], the diagonals bisect at\[O\]. What type of a triangle is\[\Delta AOB\]?

A.  An equilateral triangle.
B.  An isosceles but not a right angled triangle.
C.  A right angled but not an isosceles triangle.
D.  An isosceles right angled triangle.
Answer» C.  A right angled but not an isosceles triangle.
253.

Two adjacent angles of a parallelogram are in the ratio 2 : 3. The angles are

A. \[{{90}^{o}},\,\,{{180}^{o}}\]
B.        \[{{36}^{o}},\,\,{{144}^{o}}\]
C.        \[{{72}^{o}},\,\,{{108}^{o}}\]
D.        \[{{52}^{o}},\,\,{{104}^{o}}\]
Answer» D.        \[{{52}^{o}},\,\,{{104}^{o}}\]
254.

In the given figure, \[ABCD\] is a trapezium in which\[AB=7\,\,cm,\,\,AD=BC=5\,\,cm\], \[DC=x\,\,cm\] and the distance between \[AB\] and \[DC\] is\[4\,\,cm\]. What is the value of\[x\]?

A. \[13\,\,cm\]                   
B. \[16\,\,cm\]       
C.        \[19\,\,cm\]       
D.        \[12\,\,cm\]
Answer» B. \[16\,\,cm\]       
255.

                        If the angles of a quadrilateral are \[x+x+{{20}^{o}},x-{{40}^{o}}\]and\[2x.\]Then, the difference between greatest angle and the smallest angle is _____ .

A. \[{{70}^{o}}\]
B.                                \[{{90}^{o}}\]
C.        \[{{80}^{o}}\]
D.         None of these   
Answer» E.
256.

In parallelogram\[PQRS\], what are the values of \[\angle QSP\]and\[\angle SPQ\]?

A. \[{{45}^{o}},\,\,{{60}^{o}}\]            
B. \[{{60}^{o}},\,\,{{45}^{o}}\]
C. \[{{70}^{o}},\,\,{{35}^{o}}\]
D.         \[{{35}^{o}},\,\,{{70}^{o}}\]
Answer» C. \[{{70}^{o}},\,\,{{35}^{o}}\]
257.

In the given figure, \[\Delta ABC\]and \[\Delta DEF\]are such that\[AB=DE,\,BC=EF,\]and BC//EF. What is ADFC?

A.  A square                      
B.         A rectangle            
C.         A parallelogram            
D.         A rhombus
Answer» D.         A rhombus
258.

Two opposite angles of a parallelogram are \[{{(3p-4)}^{o}}\]and\[{{(48-p)}^{o}}.\]What is the value of p?

A.  13                               
B.         15            
C.         17                               
D.         20
Answer» B.         15            
259.

\[E\] and \[F\] are the midpoints of the sides \[AB\] and \[AC\] respectively of ; G and H are midpoints of the sides AE and AF respectively of \[\Delta AEF.\]If GH = 1.8 cm, find BC.

A.  0.9 cm                        
B.         3.6 cm        
C.         7.2 cm                        
D.         5.4 cm
Answer» D.         5.4 cm
260.

In quadrilateral\[PQRS\]\[,\]\[\angle P+\angle R={{140}^{o}}\] and\[\angle Q:\angle S=5:6\]. Find\[\angle Q\].

A. \[{{100}^{o}}\]                                  
B.        \[{{120}^{o}}\]               
C.        \[{{105}^{o}}\]                                  
D.        \[{{35}^{o}}\]        
Answer» B.        \[{{120}^{o}}\]               
261.

\[ABCD\] is a rhombus in which \[AC=16\,\,cm\] and \[BC=10\,\,cm\]. Find the length of the diagonal\[BD\]

A. \[16\,\,cm\]                   
B.         \[8\,\,cm\]           
C.        \[12\,\,cm\]                   
D.        \[10\,\,cm\]             
Answer» D.        \[10\,\,cm\]             
262.

If an angle of a parallelogram is four-fifths of its adjacent angle, find the angles of the parallelogram.

A.  \[{{60}^{o}},\,\,{{120}^{o}},\,\,{{60}^{o}},\,\,{{120}^{o}}\]
B.         \[{{90}^{o}},\,\,{{90}^{o}},\,\,{{90}^{o}}\]
C.         \[{{80}^{o}},\,\,{{100}^{o}},\,\,{{80}^{o}},\,\,{{100}^{o}}\]
D.         \[{{30}^{o}},\,\,{{150}^{o}},\,\,{{30}^{o}},\,\,{{100}^{o}}\]
Answer» D.         \[{{30}^{o}},\,\,{{150}^{o}},\,\,{{30}^{o}},\,\,{{100}^{o}}\]
263.

In quadrilateral\[ABCD\]\[,\] \[\angle A+\angle C={{140}^{o}}\], \[\angle A:\]\[\angle C=1:3\]and\[\angle B:\angle D=5:6\]. Find the measures of\[\angle A,\,\,\angle B,\,\,\angle C\]and\[\angle D\].

A.  \[{{35}^{o}},\,\,{{100}^{o}},\,\,{{105}^{o}},\,\,{{120}^{o}}\]
B.         \[{{60}^{o}},\,\,{{45}^{o}},\,\,{{75}^{o}},\,\,{{100}^{o}}\]
C.         \[{{20}^{o}},\,\,{{60}^{o}},\,\,{{105}^{o}},\,\,{{135}^{o}}\]
D.         \[{{45}^{o}},\,\,{{35}^{o}},\,\,{{90}^{o}},\,\,{{110}^{o}}\]      
Answer» B.         \[{{60}^{o}},\,\,{{45}^{o}},\,\,{{75}^{o}},\,\,{{100}^{o}}\]
264.

The diagonals AC and BD of a parallelogram ABCD intersect each other at the point O. If \[\angle DAC={{32}^{o}}\]and \[\angle AOB={{70}^{o}},\]then,\[\angle DBC\] is equal to ____.            

A. \[{{38}^{o}}\]
B.        \[{{86}^{o}}\]
C.        \[{{24}^{o}}\]
D.        \[{{32}^{o}}\]
Answer» B.        \[{{86}^{o}}\]
265.

Two angles of a quadrilateral are \[{{60}^{o}}\] \[\text{are}\] \[{{70}^{o}}\] and other two angles are in the ratio of\[8:15\]. Which of the following are the remaining two angles?

A. \[{{80}^{o}},\,\,{{150}^{o}}\]                      
B.        \[{{90}^{o}},\,\,{{140}^{o}}\]               
C.        \[{{100}^{o}},\,\,{{130}^{o}}\]                     
D.        \[{{110}^{o}},\,\,{{120}^{o}}\]
Answer» B.        \[{{90}^{o}},\,\,{{140}^{o}}\]               
266.

In the parallelogram\[ABCD\], what are the measures of the angles\[x\]and\[y\]?

A. \[{{60}^{o}},\,\,{{30}^{o}}\]            
B. \[{{30}^{o}},\,\,{{60}^{o}}\]
C. \[{{45}^{o}},\,\,{{45}^{o}}\]
D.        \[{{90}^{o}},\,\,{{90}^{o}}\]            
Answer» B. \[{{30}^{o}},\,\,{{60}^{o}}\]
267.

In\[\Delta DEF\], \[PQ\] is a line segment drawn through mid-points of \[DE\] and\[DF\]respectively. If\[EF=7.6\,\,cm\], find the length of\[PQ\].

A. \[3.8\,\,cm\]                  
B.        \[4.5\,\,cm\]            
C.        \[7.2\,\,cm\]                  
D.        \[2.6\,\,cm\]
Answer» B.        \[4.5\,\,cm\]            
268.

In quadrilateral \[ABCD\], \[\angle B={{90}^{o}},\,\,\angle C-\angle D\]\[={{60}^{o}}\]and\[\angle A-\angle C-\angle D={{10}^{o}}\]. Find\[\angle A\], \[\angle C\]and\[\angle D\].

A. \[{{140}^{o}},\,\,{{95}^{o}},\,\,{{35}^{o}}\]          
B.        \[{{95}^{o}},\,\,{{70}^{o}},\,\,{{65}^{o}}\]
C.        \[{{25}^{o}},\,\,{{45}^{o}},\,\,{{105}^{o}}\]          
D.        \[{{150}^{o}},\,\,{{20}^{o}},\,\,{{35}^{o}}\]       
Answer» B.        \[{{95}^{o}},\,\,{{70}^{o}},\,\,{{65}^{o}}\]
269.

\[JUMP\] is a square with\[\angle JUP={{45}^{o}}\]. Find\[\angle PUM\].

A. \[{{45}^{o}}\]                        
B.        \[{{90}^{o}}\]        
C.        \[{{35}^{o}}\]                        
D.        \[{{15}^{o}}\]
Answer» B.        \[{{90}^{o}}\]        
270.

In a quadrilateral three angles are in the ratio \[3:3:1\] and the fourth angle is\[{{80}^{o}}\]. Find the measure of the other angles.

A. \[{{120}^{o}},\,\,{{120}^{o}},\,\,{{40}^{o}}\]         
B.        \[{{100}^{o}},\,\,{{100}^{o}},\,\,{{80}^{o}}\]      
C.        \[{{110}^{o}},\,\,{{110}^{o}},\,\,{{60}^{o}}\]         
D.        \[{{90}^{o}},\,\,{{90}^{o}},\,\,{{30}^{o}}\]
Answer» B.        \[{{100}^{o}},\,\,{{100}^{o}},\,\,{{80}^{o}}\]      
271.

In a quadrilateral ABCD, diagonals bisect each other at right angles. If\[AB=BC=AD=6\,\,cm\], find the length of\[CD\].

A. \[3\,\,cm\]         
B.                    \[6\,\,cm\]              
C.        \[6\sqrt{2}cm\]              
D.        \[12\,\,cm\]     
Answer» C.        \[6\sqrt{2}cm\]              
272.

In \[\Delta ABC\]\[,\] \[\angle A={{50}^{o}}\]\[,\]\[\angle B={{60}^{o}}\]and\[\angle c={{70}^{o}}\]. Find the measures of the angles of the triangle formed by joining the mid-points of the sides of\[\Delta ABC\].

A. \[{{90}^{o}}\]                        
B.        \[{{120}^{o}}\]               
C.        \[{{180}^{o}}\]                                  
D.        \[{{0}^{o}}\]
Answer» E.
273.

If \[PQRS\] is a parallelogram, find the value of\[\angle Q-\angle S\].

A. \[{{90}^{o}}\]                        
B.        \[{{120}^{o}}\]               
C.        \[{{180}^{o}}\]                                  
D.        \[{{0}^{o}}\]         
Answer» E.
274.

Two adjacent angles of rhombus are \[3x-{{40}^{o}}\] and\[2x+{{20}^{o}}\]. Find the measurement of the greater angle.

A. \[{{160}^{o}}\]                                  
B.        \[{{100}^{o}}\]               
C.        \[{{80}^{o}}\]                        
D.        \[{{120}^{o}}\]               
Answer» C.        \[{{80}^{o}}\]                        
275.

In a\[\Delta ABC,P,Q\]and R are the mid-points of sides BC, CA and AB respectively. If AC =21 cm, BC=29cmandAB=30cm.The perimeter of the quadrilateral ARPQ \ is _____.     

A.  91 cm                         
B.         60 cm             
C.                     51 cm            
D.         70cm                                                              
Answer» D.         70cm                                                              
276.

The diameter of the circumcircle is the diagonal of a rectangle which is \[10\,\,cm\] and breadth of the rectangle is\[6\,\,cm\]. Find its length.

A. \[6\,\,cm\]                     
B. \[5\,\,cm\]                     
C.        \[8\,\,cm\]                     
D.        \[7\,\,cm\]
Answer» D.        \[7\,\,cm\]
277.

Which of the following pairs of angles are opposite angles of a cyclic quadrilateral?

A. \[{{131}^{o}},\,\,{{28}^{o}}\]                      
B.        \[{{95}^{o}},\,\,{{55}^{o}}\]        
C.        \[{{123}^{o}},\,\,{{57}^{o}}\]                      
D.        \[{{64}^{o}},\,\,{{52}^{o}}\]
Answer» D.        \[{{64}^{o}},\,\,{{52}^{o}}\]
278.

Find the measure of each angle of a parallelogram, if one of its angles is \[{{30}^{o}}\] less than twice the smallest angle.

A. \[{{70}^{o}},\,\,{{110}^{o}},\,\,{{70}^{o}},\,\,{{110}^{o}}\]
B.        \[{{70}^{o}},\,\,{{110}^{o}},\,\,{{80}^{o}},\,\,{{110}^{o}}\]
C.        \[{{120}^{o}},\,\,{{60}^{o}},\,\,{{120}^{o}},\,\,{{60}^{o}}\]
D.        \[{{100}^{o}},\,\,{{80}^{o}},\,\,{{100}^{o}},\,\,{{80}^{o}}\]
Answer» B.        \[{{70}^{o}},\,\,{{110}^{o}},\,\,{{80}^{o}},\,\,{{110}^{o}}\]
279.

\[ABCD\] is a rectangle with\[\angle ABD={{40}^{o}}\]. Find\[\angle DBC\].

A. \[{{45}^{o}}\]                        
B.        \[{{30}^{o}}\]        
C.        \[{{50}^{o}}\]                        
D.        \[{{35}^{o}}\]
Answer» D.        \[{{35}^{o}}\]
280.

In the given figure, \[p,\,\,q\] and \[r\] are three parallel lines. \[l\] and \[m\] are two transversals, such that \[DE=1.5\,\,cm\]\[,\] \[EF=3\,\,cm\]. Find \[BC\] if\[AB=2.5\,\,cm\].

A. \[4\,\,cm\]      
B.                                \[5.5\,\,cm\]                  
C.        \[5\,\,cm\]                     
D.        \[6\,\,cm\]
Answer» D.        \[6\,\,cm\]
281.

            In quadrilateral\[ABCD,\]\[\angle A={{38}^{o}}\], \[\angle C=3\angle A\]and\[\angle D=4\angle A\]. Find the value of\[\angle B\].

A. \[{{56}^{o}}\]                        
B.        \[{{304}^{o}}\]                      
C.        \[{{52}^{o}}\]                        
D.        \[{{114}^{o}}\]                      
Answer» B.        \[{{304}^{o}}\]                      
282.

Which of the following is not a property of a rhombus?

A.  All four sides are equal.
B.         Diagonals bisect each other.
C.         Diagonals bisect opposite angles.
D.         One angle between the diagonals is\[{{60}^{o}}\]
Answer» D.         One angle between the diagonals is\[{{60}^{o}}\]
283.

\[ABCD\] is a rhombus such that one of its diagonals is equal to its side. Find the measure of the angles of rhombus\[ABCD\].

A.  \[{{45}^{o}},\,\,{{135}^{o}},\,\,{{45}^{o}},\,\,{{135}^{o}}\]
B.         \[{{100}^{o}},\,\,{{80}^{o}},\,\,{{100}^{o}},\,\,{{80}^{o}}\]
C.         \[{{120}^{o}},\,\,{{60}^{o}},\,\,{{120}^{o}},\,\,{{60}^{o}}\]
D.         \[{{60}^{o}},\,\,{{60}^{o}},\,\,{{60}^{o}},\,\,{{60}^{o}}\]
Answer» D.         \[{{60}^{o}},\,\,{{60}^{o}},\,\,{{60}^{o}},\,\,{{60}^{o}}\]
284.

In a quadrilateral, the angles, \[A,\,\,B,\,\,C\] and \[D\] are in the ratio\[1:2:3:4\]. What is the measure of the largest angle of the quadrilateral?

A. \[{{135}^{o}}\]                                  
B.        \[{{144}^{o}}\]                      
C.        \[{{154}^{o}}\]                                  
D.        \[{{108}^{o}}\]          
Answer» C.        \[{{154}^{o}}\]                                  
285.

\[PQRS\]is a quadrilateral. \[PR\] and \[QS\] intersect each other at\[O\], In which of the following cases is PQRS a parallelogram?

A. \[\angle P={{100}^{o}},\,\,\angle Q={{80}^{o}},\,\,\angle R={{100}^{o}}\]
B.        \[\angle P={{85}^{o}},\,\,\angle Q={{85}^{o}},\,\,\angle R={{95}^{o}}\]
C.        \[PQ=7\,\,cm,\,\,QR=7\,\,cm,\,\,RS=8\,\,cm,\]\[OS=5.2\,\,cm\]
D.         \[OP=6.5\,\,cm,\,\,OQ=6.5\,\,cm,\,\,OR=5.2\,\,cm,\] \[OS=5.2\,\,cm\]
Answer» B.        \[\angle P={{85}^{o}},\,\,\angle Q={{85}^{o}},\,\,\angle R={{95}^{o}}\]
286.

If the angles of a quadrilateral are in the ratio 1: 2 : 3 ; 4. Then, the measure of  angles in descending order are         

A.  \[{{36}^{o}},\,\,{{108}^{o}},\,\,{{72}^{o}}\] and \[{{144}^{o}}\]
B.        \[{{144}^{o}},\,\,{{108}^{o}},\,\,{{72}^{o}}\]and\[{{36}^{o}}\]
C.        \[{{36}^{o}},\,\,{{72}^{o}},\,\,{{108}^{o}}\]and\[{{144}^{o}}\]
D.         None of these                 
Answer» C.        \[{{36}^{o}},\,\,{{72}^{o}},\,\,{{108}^{o}}\]and\[{{144}^{o}}\]
287.

In a parallelogram find the sum of the bisected angles of two adjacent angles.

A. \[{{30}^{o}}\]                        
B. \[{{45}^{o}}\]            
C. \[{{60}^{o}}\]            
D.        \[{{90}^{o}}\]
Answer» E.
288.

\[APB\] and \[CQD\] are parallel lines and a transversal \[PQ\] cuts them at \[P\] and\[Q\]. Which of the following is formed by the bisectors of angles \[APQ,\,\,BPQ,\,\,CQP\] and\[PQD\]?

A.  A rectangle
B.         A rhombus
C.         A square
D.         Any other parallelogram
Answer» B.         A rhombus
289.

Which of the following is not true for a parallelogram?

A.  Opposite sides are equal.
B.         Opposite angles are equal.
C.         Opposite angles are bisected by the diagonals.
D.         Diagonals bisect each other.
Answer» D.         Diagonals bisect each other.
290.

In a parallelogram\[ABCD\], \[AB=4\,\,cm\] and\[BC=7\,\,cm\]. Each of its diagonals is less than which of the following?

A. \[3\,\,cm\]                     
B.        \[4\,\,cm\]                     
C.        \[7\,\,cm\]                     
D.        \[11\,\,cm\]       
Answer» E.
291.

By using a given figure of quadrilateral ABCD, match the following: Column-I                         Column-II (p) (P) If ABCD is a  parallelogram, then sum of the angles  x, y and z is (1) \[{{25}^{o}}\]                 (q) (Q) If ABCD is a rhombus, where  \[\angle D={{130}^{o}},\]then the value of \[x\]is (2) \[{{180}^{o}}\]     (r) (R) If ABCD is a  rhombus, the  value of w is (3) \[{{50}^{o}}\]     (s) (S) If ABCD is a  parallelogram, where\[x+y={{130}^{o}}\]  then the value of B is (4) \[{{90}^{o}}\]              

A. \[(p)\to (1),(q)\to (2),(r)\to (3),(s)\to (4)\]
B.        \[(p)\to (2),(q)\to (1),(r)\to (4),(s)\to (3)\]
C.        \[(p)\to (3),(q)\to (1),(r)\to (2),(s)\to (4)\]
D.        \[(p)\to (4),(q)\to (3),(r)\to (1),(s)\to (2)\]
Answer» D.        \[(p)\to (4),(q)\to (3),(r)\to (1),(s)\to (2)\]
292.

If the lengths of two diagonals of a rhombus are \[12\,\,cm\] and\[16\,\,cm\], find the length of each side of the rhombus.

A. \[10\,\,cm\]                   
B.        \[14\,\,cm\]                   
C.        \[16\,\,cm\]                   
D.        \[8\,\,cm\]
Answer» B.        \[14\,\,cm\]                   
293.

If the sides BA and DC of quadrilateral  ABCD are produced as shown in the given figure, then

A.                     \[x+y=a+b\]                
B.        \[x-y=a-b\]       
C.        \[\frac{x-y}{2}=a-b\]                
D.        \[2(x+y)=a+b\]
Answer» B.        \[x-y=a-b\]       
294.

What is the number of measurements required to construct a quadrilateral?

A. \[5\]                             
B.        \[4\]                 
C.        \[3\]                             
D.        \[2\]                 
Answer» B.        \[4\]                 
295.

Fill in the blanks. (a) If consecutive sides of a parallelogram are equal then it is necessarily a P . (b) The figure formed by joining the mid-points of consecutive sides of a quadrilateral is Q . (c) If the diagonals of a parallelogram are equal and perpendicular to each other, it is a R .

A. P Q R   Square Parallelogram Rhombus                
B.        P Q R   Kite Rhombus Square                
C.        P Q R   Rhombus Rectangle Rectangle                
D.        P Q R   Rhombus Parallelogram Square
Answer» E.
296.

If \[PQ\] and \[RS\] are two perpendicular diameters of a circle, what is\[PRQS\]?

A.  A rectangle
B.         A trapezium
C.         A square
D.         A rhombus but not a square
Answer» D.         A rhombus but not a square
297.

Read the statements carefully and state ?T? for true and 'F' for false. (i) Diagonals of a parallelogram are perpendicular to each other. (ii) All four angles of a quadrilateral can be obtuse angles. (iii) If all sides of a quadrilateral are equal, then it is a rhombus.

A. (i) (ii) (iii) T F F                
B.        (i) (ii) (iii) F F T                
C.                   
D.        (i) (ii) (iii) F F F
Answer» D.        (i) (ii) (iii) F F F
298.

If angles \[P,\,\,Q,\,\,R\] and \[S\] of the quadrilateral\[PQRS\], taken in order, are in the ratio\[3:7:6:4\], what is\[PQRS\]?

A.  A rhombus       
B.         A parallelogram
C.                     A trapezium     
D.         A kite              
Answer» D.         A kite              
299.

Study the statements carefully. Statement 1: If a sum of a pair of opposite angles of a quadrilateral is\[{{180}^{o}}\], the quadrilateral is cyclic. Statement 2: A line drawn through mid-point of a side of a triangle, parallel to another side equal to third side. Which of the following options holds?

A.  Both Statement-1 and Statement-2 are true.
B.         Statement-1 is true but Statement-2 is false.
C.         Statement-1 is false but Statement-2 is true.
D.         Both Statement-1 and Statement-2 are false.
Answer» C.         Statement-1 is false but Statement-2 is true.
300.

When is the quadrilateral formed by joining the midpoints of the sides of a quadrilateral\[PQRS\], taken in order, a rhombus?

A.  \[PQRS\] is a rhombus.
B.         \[PQRS\]is a parallelogram.
C.         Diagonals of \[PQRS\] are perpendicular.
D.         Diagonals of \[PQRS\] are equal.
Answer» E.