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.

1101.

Angle ABC in the following figure is a/an

A.  acute angle
B. obtuse angle
C.  reflex angle         
D.  straight angle    
Answer» D.  straight angle    
1102.

Find the value of x in the given figure.

A. \[30{}^\circ \]  
B. \[35{}^\circ \]
C. \[40{}^\circ \]
D. \[45{}^\circ \]
Answer» B. \[35{}^\circ \]
1103.

In the given figure, \[AB|\,\,|\,CD\] , then \[\angle \text{EFD}\] is geometry equal to

A. \[20{}^\circ \]                   
B. \[25{}^\circ \]
C. \[30{}^\circ \]  
D. \[35{}^\circ \]
Answer» D. \[35{}^\circ \]
1104.

Lines PQ and RS intersect at O. If \[\angle POS=2\,\,\angle SOQ\] ,then the four angles at O are

A. \[30{}^\circ ,\text{ }30{}^\circ ,\text{ }120{}^\circ ,\text{ }180{}^\circ \]
B. \[60{}^\circ ,\text{ }60{}^\circ ,\text{ }120{}^\circ ,\text{ }120{}^\circ \]  
C. \[60{}^\circ ,\text{ }90{}^\circ ,\text{ }90{}^\circ ,\text{ }120{}^\circ \]
D. \[30{}^\circ ,\text{ }60{}^\circ ,\text{ }90{}^\circ ,\text{ }180{}^\circ \]
Answer» C. \[60{}^\circ ,\text{ }90{}^\circ ,\text{ }90{}^\circ ,\text{ }120{}^\circ \]
1105.

If X is a point on the line AB, Y and Z are points outside such that \[\angle AXY=45{}^\circ \] and \[\angle YXZ=150{}^\circ \], then \[\angle AXZ\] is equal to 

A. \[120{}^\circ \]
B. \[135{}^\circ \]
C. \[150{}^\circ \]
D. \[165{}^\circ \]  
Answer» E.
1106.

If one of the interior angles of a regular polygon is equal to 5/6 times of one of the interior angles of a regular pentagon, then the number of sides of the polygon is:

A. 3                         
B.        4
C. 6                         
D.        8
E. None of these
Answer» C. 6                         
1107.

Given a plane E and a line I contained in E, so that two half planes \[{{H}_{1}}\] and \[{{H}_{2}}\] are formed, then line \[l \] lies

A.  in \[{{H}_{1}}\] only
B.  in \[{{H}_{2}}\] only
C.  in both \[{{H}_{1}}\] and \[{{H}_{2}}\]
D.  neither in \[{{H}_{1}}\] nor in \[{{H}_{2}}\] 
Answer» E.
1108.

The measurement of each angle of a polygon is \[160{}^\circ \]. The number of its sides is

A.  15                         
B.         18  
C.  20                         
D.         30
Answer» C.  20                         
1109.

The value of \[x\] in the following Figure is

A. \[30{}^\circ \]
B. \[45{}^\circ \]
C. \[60{}^\circ \]
D.     none of these       
Answer» B. \[45{}^\circ \]
1110.

What value of \[x\] will make\[CD|\,|\,EF\], and \[AB|\,|\,CD\]?

A. \[150{}^\circ \]
B. \[145{}^\circ \]  
C. \[140{}^\circ \]
D. \[135{}^\circ \]
Answer» C. \[140{}^\circ \]
1111.

What value of x will make AOB a straight line?

A. \[30{}^\circ \]
B. \[50{}^\circ \]  
C. \[49{}^\circ \]
D.  none of these      
Answer» C. \[49{}^\circ \]
1112.

A and B are two fixed points in a plane. If P is a moving point in the plane such that PA =PB, then the

A.  locus of P is the line AB itself.
B.  locus of P is a line parallel to AB.
C.  point P always makes equilateral triangles with A, B.
D.  triangle PAB is isosceles for all positions of P.  
Answer» E.
1113.

Two circular wheels are rolling on a horizontal road. The loci of the centres will be

A.  two circles       
B.         rectangle
C.  two straight lines  
D.        parallelogram
Answer» D.        parallelogram
1114.

In the given figure, if C is the centre of the circle and \[\angle PQC=25{}^\circ \] and \[\angle PRC=15{}^\circ \], then \[\angle QCR\] is equal to 

A. \[40{}^\circ \]
B. \[60{}^\circ \]
C. \[80{}^\circ \]  
D. \[120{}^\circ \]
Answer» D. \[120{}^\circ \]
1115.

PQRS is a parallelogram. If L, M are the mid- points of QR and PS respectively, and O is any point on LM, then the area of triangle OPQ is equal to

A. \[\frac{1}{3}rd\] of the parallelogram PQRS
B. \[\frac{1}{4}th\] of the parallelogram PQRS 
C. \[\frac{1}{2}\] of the parallelogram PQRS
D.  \[\frac{1}{6}th\] of the parallelogram PQRS
Answer» C. \[\frac{1}{2}\] of the parallelogram PQRS
1116.

In a right angled triangle the square of the hypotenuse is twice the product of the square of the other sides. Then the triangle is

A. equilateral       
B. isosceles  
C. \[\text{of }\angle s\,\,30{}^\circ ,\text{ 6}0{}^\circ ,\,\,90{}^\circ \]
D. \[\text{of }\angle s\,\,40{}^\circ ,\text{ }50{}^\circ ,\,\,90{}^\circ \]
Answer» C. \[\text{of }\angle s\,\,30{}^\circ ,\text{ 6}0{}^\circ ,\,\,90{}^\circ \]
1117.

The sum of the acute angles of an obtuse triangle is \[70{}^\circ \] and their difference is \[10{}^\circ \]. The largest angle is

A. \[110{}^\circ \]                   
B.        \[105{}^\circ \]
C. \[100{}^\circ \]
D.        \[95{}^\circ \]
Answer» B.        \[105{}^\circ \]
1118.

The angle which exceeds its complement by \[20{}^\circ \] is

A. \[45{}^\circ \]
B. \[55{}^\circ \]  
C. \[70{}^\circ \]
D.        \[110{}^\circ \]
Answer» C. \[70{}^\circ \]
1119.

The angle which is twice its supplement is

A. \[120{}^\circ \]  
B.        \[90{}^\circ \]
C. \[60{}^\circ \]
D.        \[30{}^\circ \]
Answer» B.        \[90{}^\circ \]
1120.

In the given circle ABCD, O is the centre and \[\angle BDC\,=\,\,42{}^\circ .\]. The \[\angle ACB\] is equal to

A. \[42{}^\circ \]
B. \[45{}^\circ \]
C. \[48{}^\circ \]
D. \[60{}^\circ \]
Answer» B. \[45{}^\circ \]
1121.

     If one angle of the parallelogram is \[16{}^\circ \] less than three times the smallest angle, then the largest angle of the parallelogram is

A. \[131{}^\circ \]                   
B.        \[136{}^\circ \]
C. \[112{}^\circ \]
D.        \[108{}^\circ \]
Answer» B.        \[136{}^\circ \]
1122.

P, Q and R are on ML, NL and MN of the equilateral triangle MLN respectively. If \[\mathbf{MP}:\text{ }\mathbf{PL}\text{ }=\text{ }\mathbf{NQ}:\text{ }\mathbf{QL}\text{ }=\text{ }\mathbf{1}:\text{ }\mathbf{2}\] and G is the centroid of the triangle PQL and S is the mid-point of MN. Find LG: GS.

A. \[2:3\]                                                               
B.  \[4:5\]
C.  \[3:4\]                                                 
D. \[1:3\]
E.  None of these
Answer» C.  \[3:4\]                                                 
1123.

In the diagram, 0 is the centre of the circle. The angles CBD is equal to

A. \[25{}^\circ \]  
B.  \[50{}^\circ \]
C. \[40{}^\circ \]
D. \[130{}^\circ \]
Answer» B.  \[50{}^\circ \]
1124.

In the figure \[BC\parallel AD.\] Find the value of x:

A. 9, 10                            
B. 7, 8
C. 10, 12                 
D.        8, 9
E. None of these
Answer» E. None of these
1125.

In the shown figure, I is a straight line. Find the value of x.

A. \[60{}^\circ \]  
B.  \[30{}^\circ \]
C.  \[40{}^\circ \]                                                            
D. Cannot be determined
E.  None of these
Answer» D. Cannot be determined
1126.

    The least number of non-collinear points required to determine a plane is

A.  one                      
B.         two
C.  three                     
D.         infinite
Answer» D.         infinite
1127.

In the shown figure, O is the centre of the circle and PT is a tangent to the circle at P. If\[\angle \mathbf{RPT}\text{ }=\text{ }\mathbf{15}{}^\circ \text{ }\mathbf{and}\text{ }\angle \mathbf{PTR}\text{ }=\text{ }\mathbf{65}{}^\circ \], then find the value of\[\angle \mathbf{PQO}\].

A. \[15{}^\circ \]              
B.                     \[10{}^\circ \]
C.  \[25{}^\circ \]                                                             
D. \[30{}^\circ \]
E.  None of these
Answer» C.  \[25{}^\circ \]                                                             
1128.

Two chords of lengths 16 cm and 17 cm are drawn perpendicular to each other in a circle of radius 10 cm. The distance of their point of intersection from the centre is approximately

A.  6.5 cm                 
B.         7.2 cm
C.  7.6 cm                                 
D.  8 cm  
Answer» E.
1129.

In the shown figure, AD and BC are two chords of the circle with centre O, intersecting at E and \[\mathbf{AE}\text{ }=\text{ }\mathbf{6}\text{ }\mathbf{cm}\],\[\mathbf{BE}\text{ }=\text{ }\mathbf{5}\text{ }\mathbf{cm}\]. Find the value of _______\[\frac{EC+ED}{EC-ED}\].

A. 11                    
B.         5
C. 8         
D.                    10
E.  None of these
Answer» B.         5
1130.

In the given figure, SO and PO are bisectors of two adjacent sides of quadrilateral, \[\angle \text{Q}+\,\angle \text{R}\,\] is

A. \[2\angle \text{SOP}\]
B. \[\angle \text{OSP}\,\text{+}\,\angle \text{OPS}\]
C. \[\angle \text{SOP}\]
D. \[2(\angle \text{OSP}\,\text{+}\,\angle \text{OPS)}\]
Answer» B. \[\angle \text{OSP}\,\text{+}\,\angle \text{OPS}\]
1131.

The radius of the circle, in which an equilateral triangle of side 16 cm is inscribed, is _______

A. \[\frac{8\sqrt{3}}{3}\]cm           
B.  \[\frac{16\sqrt{3}}{3}\text{ cm}\]
C.  \[8\sqrt{3}\text{ cm}\]                                                  
D. \[\frac{2\sqrt{3}}{3}\text{ cm}\]
E.  None of these
Answer» C.  \[8\sqrt{3}\text{ cm}\]                                                  
1132.

The angle that is three times as large as its complement is

A. \[135{}^\circ \]
B.        \[67.5{}^\circ \]  
C. \[50.5{}^\circ \]
D.        \[45{}^\circ \]
Answer» C. \[50.5{}^\circ \]
1133.

Two circles with centres O and O? and of radii 6 cm and 4 cm touch each other internally. If the perpendicular bisector of line segment OO? meets the bigger circle in M and N, then the length of MN is _______

A. 1cm
B.                                             \[2\sqrt{35\text{ }}cm\]
C.  \[3\sqrt{5\text{ }}cm\]                                                  
D. \[\sqrt{35\text{ }}cm\]
E.  None of these
Answer» C.  \[3\sqrt{5\text{ }}cm\]                                                  
1134.

The sum of all the angles of a pentagon are

A. \[360{}^\circ \]
B.        \[540{}^\circ \]  
C. \[720{}^\circ \]
D.         None of these
Answer» C. \[720{}^\circ \]
1135.

In the shown figure, AB is a diameter of the circle with centre O. If AC is a chord and OM is perpendicular on it where \[\mathbf{AB}\text{ }=\text{ }\mathbf{13}\text{ }\mathbf{cm}\] and \[\mathbf{BC}\text{ }=\text{ }\mathbf{5}\text{ }\mathbf{cm}\], then the length of OM is  ________

A. 6.25 cm
B.         3.25 cm
C.    3.5 cm   
D.                                                       2.5 cm
E.  None of these
Answer» E.  None of these
1136.

In the given figure, if E and F are the midpoint  of AB and CD of parallelogram ABCD, which one is true?

A.  CE trisects BD                   
B.  AF trisects BD
C. \[\text{ }\!\!\Delta\!\!\text{ }\,\text{ADF}\,\,\text{=}\,\,\text{ }\!\!\Delta\!\!\text{ }\,\text{CBE}\]
D. All of these  
Answer» E.
1137.

In the given figure, if PQRS is a rectangle which one is true?

A. \[\text{Ar}\,\text{ }\!\!\Delta\!\!\text{ (APS)}\,\,\text{=}\,\,\text{Ar}\,\text{ }\!\!\Delta\!\!\text{ (QRB)}\]
B. \[\text{PA = RB}\]
C. \[\text{Ar}\,\text{(PQS)}\,\,\text{=}\,\,\text{Ar}\,\text{(QRS)}\]
D.  All of the above  
Answer» E.
1138.

PQ and RS are two chords of the circle such that \[\mathbf{PQ}\text{ }=\text{ }\mathbf{8}\text{ }\mathbf{cm}\] and \[\mathbf{RS}\text{ }=\text{ }\mathbf{16}\] \[\mathbf{PQ}\text{ }\parallel \text{ }\mathbf{RS}\]. If the distance between PQ and RS is 4 cm, then _________

A. \[ON\text{ }=\text{ }5\text{ }cm\]                                 
B.  \[radius\text{ }=\text{ }4\text{ }cm\]
C.  \[OM=8.5\,cm\]                                    
D. All the above
E.  None of these
Answer» C.  \[OM=8.5\,cm\]                                    
1139.

In the given figure, AD, BF and CE are medians of a triangle ABC and O is a point of concurrency of medians. If AD = 6 cm., then OD is equal to

A.  2 cm                           
B. 3 cm                    
C. 4 cm                     
D. \[\frac{2}{3}\,cm\]
Answer» B. 3 cm                    
1140.

Two concentric circles with centre 0 have P, Q, R, S as the points intersection with the line l as shown in the figure. If \[\mathbf{PS}\text{ }=\text{ }\mathbf{16}\text{ }\mathbf{cm}\] and \[\mathbf{QR}\text{ }=\text{ }12 \mathbf{cm}\] then the lengths of _________

A. PQ is 3 cm                                                        
B.  PR is 12 cm
C.  SQ is 14 cm     
D. RS is 4 cm
E.  None of these
Answer» D. RS is 4 cm
1141.

ABC is an isosceles triangle with AB = AC = 5 and BC = 6. If G is the centroid of \[\Delta \,ABC\], then AG is equal to

A. \[\frac{1}{3}\]
B. \[\frac{2}{3}\]
C. \[\frac{4}{3}\]
D. \[\frac{8}{3}\]
Answer» E.
1142.

In the shown triangle PQR, find the value of \[\alpha \]

A. \[50{}^\circ \]                                                              
B.  \[65{}^\circ \]
C.  \[80{}^\circ \]             
D. \[100{}^\circ \]
E.  None of these
Answer» D. \[100{}^\circ \]
1143.

A, B, C and D are four angles at a point so that A+B+C+D=4 right angles, out of these A and B are acute angles while C and D are obtuse angles. Which of the following relations may be true?1. A+B=C+D 2. A+C=B+D 3. A+D=B+C

A.  2 and 3 only       
B.  1 and 3 only
C. 1 and 2 only     
D. 3 only
Answer» B.  1 and 3 only
1144.

In the given diagram \[AB\parallel \,AD\]. Then which one of the following is true?

A. \[\frac{AB}{AC}=\frac{AO}{OC}\]       
B.        \[\frac{AB}{CD}=\frac{BO}{OD}\]
C. \[\Delta AOB\sim \Delta COD\] 
D.        All of these
E. None of these
Answer» E. None of these
1145.

In Indus Valley Civilization (about 3000 B.C.), the bricks used for construction work were having dimension in the ratio __________

A. \[2\,\,:\,\,4\,\,:\,\,5\]                                                        
B.  \[3:2:1\]
C.  \[4:2:1~\]                                                        
D. \[4:2:5\]
E.  None of these
Answer» D. \[4:2:5\]
1146.

In the given figure, Z6 is less than one-third of a right angle, then

A. \[\phi >150{}^\circ \]
B. \[\phi \ge 150{}^\circ \]
C. \[\phi \le 150{}^\circ \]
D. \[\phi <150{}^\circ \]
Answer» B. \[\phi \ge 150{}^\circ \]
1147.

In the shown figure, PQRS is a parallelogram and if M and N are the mid- points of RQ and RS respectively, then ________

A. \[Ar\text{ (}\Delta \text{ NMR)=}\frac{1}{4}\text{ A}r(\text{ }{{\parallel }^{gm}}PQRS)\]
B.  \[Ar\text{ (}\Delta \text{ PQM)=}\frac{1}{8}\text{ A}r(\,{{\parallel }^{gm}}PQRS)\]
C.  \[Ar\text{ (}\Delta \text{ PNM)=}\frac{3}{8}\text{ A}r\text{ }(\text{ }{{\parallel }^{gm}}PQRS)\]
D. All of the above
E.  None of these
Answer» D. All of the above
1148.

If the diagonals of a quadrilateral bisect one another at right angles, then the quadrilateral is a

A.  Trapezium       
B.         Rectangle
C.  Rhombus        
D.         None of these
Answer» D.         None of these
1149.

In the shown figure, N is the mid-point of QP. M is any point on QR. If \[\mathbf{OR}\text{ }\parallel \text{ }\mathbf{NM}\] meets PQ in O, then which one among the following is true?

A. \[ar(\Delta QMO)=ar(\Delta QNR)\]
B.  \[ar\text{ }(\Delta \text{ }MNO)=ar\text{ }(\Delta \text{ }MRN)\]
C. \[ar\text{ }(\Delta \text{ }QRN)=\frac{1}{2}ar\text{ }(\Delta \text{ PQR})\]
D. All the above
E.  None of these
Answer» E.  None of these
1150.

At 2.15 o'clock the hour and minute hands of clock form an angle of

A. \[30{}^\circ \]
B. \[22\frac{1{}^\circ }{2}\]
C. \[7\frac{1{}^\circ }{2}\]
D. \[5{}^\circ \]
Answer» D. \[5{}^\circ \]