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.

1151.

In the shown figure, PQRS is a trapezium and\[\mathbf{PQ}\text{ }\parallel \text{ }\mathbf{RS}\]. If M is the mid- point of PS such that \[\mathbf{MN}\text{ }\parallel \text{ }\mathbf{RS}\] and \[\mathbf{PQ}\text{ }=\text{ }\mathbf{8}\text{ }\mathbf{cm}\] and \[\mathbf{RS}=\text{ }\mathbf{12cm}\], then MN equals to ______

A. 6 cm                                                                
B.  8 cm       
C. 10 cm              
D. 8.5 cm
E. None of these
Answer» D. 8.5 cm
1152.

The intercepts made by 3 parallel lines on a transverse line \[({{l}_{1}})\] are in the ratio 1:1. A second transverse line \[({{l}_{2}})\] making angle of \[30{}^\circ \] with \[{{l}_{1}}\] is drawn. The corresponding intercepts on \[{{l}_{2}}\] are in the ratio

A.  1 : 1                        
B.  2 : 1
C. 1:2                        
D.  1 : 3
Answer» B.  2 : 1
1153.

In the shown figure, PQRS is a trapezium where \[\mathbf{PQ}\text{ }\parallel \text{ }\mathbf{RS}\] and M and N are the mid-points of PR and SQ respectively. If \[\mathbf{PQ}\text{ }=\text{ }\mathbf{7}\text{ }\mathbf{cm}\]and \[\mathbf{RS}\text{ }=\text{ }\mathbf{3cm}\] then the length of MN is ________

A. 1 cm                
B.  2 cm
C. 3 cm                                                                
D. 4 cm    
E. None of these
Answer» C. 3 cm                                                                
1154.

The sides of a triangle are 5 cm, 6 cm and 7 cm. One more \[\Delta \] is formed by joining the midpoints of the sides. The perimeter of the second \[\Delta \] is

A. 18 cm                  
B. 12 cm
C. 9 cm                       
D. 6 cm
Answer» D. 6 cm
1155.

MNOP is a rhombus in which the diagonal OM is produced to Q. If\[\angle \mathbf{POQ}=\text{ }\mathbf{140}{}^\circ \], then which one is correct?            

A. \[x=60{}^\circ \]          
B.  \[y=50{}^\circ \]
C.  \[z=50{}^\circ \]               
D. All of the above
E.  None of these
Answer» D. All of the above
1156.

If D is any point on the side BC of \[\Delta ABC\] such that \[\Delta ADB\] and \[\Delta ADC\] are equal in area, then

A.  AD is the median  
B.  AD is the altitude
C.  AD is an angle bisector
D.  AD is any line
Answer» B.  AD is the altitude
1157.

In the given triangle PQR, another triangle MLN is drawn by joining the mid-points of the sides of \[\Delta \]PQR. Based on this information choose the correct one among the following.

A. \[\angle LMN=\angle QPR\]                                
B.  \[\angle LNM=\text{ }\angle RPQ\]
C.  \[\angle MLN=\angle QRP\]                                           
D. All the above                  
E.  None of these        
Answer» C.  \[\angle MLN=\angle QRP\]                                           
1158.

If in a triangles XYZ, P, Q are points on XY, YZ respectively such that XP = 2PY, XQ = 2QZ, then the ratio, area of\[\phi \]area of \[x,y,z\], is

A.  4 : 9                 
B.         2 : 3
C.  3 : 2               
D.         9 : 4
Answer» B.         2 : 3
1159.

If PQR is a triangle and M is the mid-point of QR and the perpendiculars from M to PQ and PR are equal, then PQR is _______

A. an equilateral triangle                             
B. an isosceles triangle
C. not an equilateral triangle                        
D. not an isosceles triangle
E. None of these
Answer» C. not an equilateral triangle                        
1160.

If in triangles PQR and LMN, \[\angle P=\angle M=60{}^\circ \], \[\text{PQ}\,\,\text{:}\,\,\text{ML}\,\,\text{=}\,\,\text{PR}\,\,\text{:}\,\text{ MN}\] and \[\angle N=55{}^\circ \], then \[\angle \text{Q}\] is

A. \[50{}^\circ \]
B. \[55{}^\circ \]
C. \[65{}^\circ \]  
D. \[75{}^\circ \]
Answer» D. \[75{}^\circ \]
1161.

PQR is a triangle in which\[\angle \mathbf{Q}\text{ }=\text{ }\mathbf{2}\angle \mathbf{R}\]. If a line PS is drawn from vertex P such that it bisects \[\angle \mathbf{QPR}\] and cuts QR at S such that \[\mathbf{PQ}\text{ }=\text{ }\mathbf{RS}\], then \[\angle \mathbf{QPR}\text{ }+\text{ }\angle \mathbf{QRP}\] equals to __________

A. \[72{}^\circ \]                                                              
B. \[136{}^\circ \]        
C. \[108{}^\circ \]            
D. \[130{}^\circ \]
E. None of these.
Answer» D. \[130{}^\circ \]
1162.

The four triangle formed by joining the mid- points of the sides of a triangle respectively are

A.  similar, not necessarily congruent.
B.  congruent.  
C.  equilateral.
D.  isosceles.
Answer» C.  equilateral.
1163.

In a triangle, other than an equilateral triangle, angle opposite to the largest side is _________

A. lesser than \[\frac{2}{3}\]of a right angle.                         
B.  greater than \[\frac{2}{3}\]of a right angle.
C. always greater than a right angle. 
D. lesser than\[\frac{1}{2}\]of a right angle.
E. None of these
Answer» C. always greater than a right angle. 
1164.

The triangle ABC and PQR may not be congruent when

A. \[AB=PQ,\text{ }AC=PR,~\text{ }\,\angle A\,=\,\angle P\]
B. AB = PQ, AC = PR, Altitude AD = Altitude PS
C. \[AB=PQ,\,\,AC=PR,~\text{ }\angle B\,\,=\,\,\angle Q\]
D. \[\angle A\,\,=\,\,\angle P,\,\,\angle B\,=\,\,\angle Q\,\,Altitude\,\,AD=Altitude\,\,PS\]
Answer» E.
1165.

ABC is a triangle. A line PQ intersects the sides AB and AC in points P and Q such that \[\frac{AP}{PB}=\frac{AQ}{QC}=\frac{m}{n}.\,\,\,m,\,\,n\] being positive integers. The line PQ will pass through the centre of gravity of the triangle if the value of m, n respectively is

A.   2, 3                     
B.  1 , 2                  
C.  1 , 3                
D.  2, 1                 
Answer» E.
1166.

In the \[\angle ABC,\] BD bisects \[\angle B\], and is perpendicular to AC. If the lengths of the sides of the triangle are expressed in terms of x and y as shown, then find the value of x and y:

A. \[6,\text{ }12\]  
B.                   \[10,\text{ }12\]
C. \[16,\text{ }8\]    
D.        \[8,\text{ }15\]
E. None of these
Answer» D.        \[8,\text{ }15\]
1167.

In \[\Delta \,ABC\], \[AB=AC\] and AD is the median. Find which of the points lies on AD. (i) Centroid(ii) Incentre(iii) Circumcentre (iv) Orthocentre Correct answer is

A.  (i), (ii), (iii)        
B. (i), (ii), (iv)
C. (ii) (iii), (iv)       
D. (i), (ii) (iii) (iv)  
Answer» E.
1168.

Match List-I with List-II and select the correct answer using the codes given below the lists: List-I (Set of lines)List-II (Intersection points of the set of lines)A. Median lines1. circumcentreB. Altitude lines2. incentreC. Bisectors of angles3. orthocentreD. Perpendicular bisectors of the sides4. centroid

A. A-3         B-4         C-1         D-2
B. A-4         B-3         C-2         D-1
C. A-1         B-2         C-3         D-4
D. A-2         B-1         C-4         D-3
Answer» C. A-1         B-2         C-3         D-4
1169.

If D, E, F are the midpoints of the sides BC, CA, AB respectively of \[\Delta \,ABC\], then the ratio area \[\Delta \,DEF\]: area \[\Delta \,ABC\] is equal to

A. 0.0430555555555556
B. 0.04375
C. 0.0854166666666667
D. 0.0444444444444444
Answer» E.
1170.

In the given figure, if AL is the bisector of \[\Delta \,ABC\], then AB is a

A. 7 cm                     
B. 10  cm                     
C. 15 cm                  
D. 22.50 cm                    
Answer» C. 15 cm                  
1171.

If in a quadrilateral, the diagonals bisect each other, then which one of the following conclusions about the quadrilateral is the most appropriate one?

A.  It is a parallelogram  
B.  It is a square
C.  It is a rectangle
D.  None of these
Answer» B.  It is a square
1172.

P and Q are the mid points of the sides AB and BC respectively of the triangle ABC, right-angled at B, then

A. \[\text{A}{{\text{Q}}^{\text{2}}}\text{ + C}{{\text{P}}^{\text{2}}}\text{ = A}{{\text{C}}^{\text{2}}}\]
B. \[\text{A}{{\text{Q}}^{\text{2}}}\text{ + C}{{\text{P}}^{\text{2}}}\text{ = }\frac{4}{5}\,\,\text{A}{{\text{C}}^{\text{2}}}\]
C. \[\text{A}{{\text{Q}}^{\text{2}}}-\text{C}{{\text{P}}^{\text{2}}}\text{ = }\frac{4}{5}\,\,\text{A}{{\text{C}}^{\text{2}}}\]
D. \[\text{A}{{\text{Q}}^{\text{2}}}\text{+ C}{{\text{P}}^{\text{2}}}\text{ = }\frac{5}{4}\,\,\text{A}{{\text{C}}^{\text{2}}}\]
Answer» E.
1173.

ABCD is a quadrilateral with unequal sides, unequal diagonals and unequal angles. E, F, G, H are the middle points of the four sides, then EFGH is a

A.  quadrilateral with unequal sides
B.  parallelogram  
C.  rhombus
D.  rectangle
Answer» C.  rhombus
1174.

Three sides of a triangle are 6 cm, 12 cm and 13 cm; then

A.  all three angles are acute  
B.  one angle is a right angle and others acute
C.  one angle is obtuse and others acute
D.  one angle is obtuse, one acute and one right angle
Answer» B.  one angle is a right angle and others acute
1175.

If M is any point in the interior of \[\Delta \,\mathbf{ABC}\]then _______

A. \[MC+MB>AC+AB\]                
B.  \[MC+MB=AC+AB\]
C. \[MC+MB=AC+AB\]                            
D. \[MC+MB\ge AC+AB\]
E. None of these
Answer» C. \[MC+MB=AC+AB\]                            
1176.

If one angle of a triangle equals the sum of the other two angles, the triangle must be

A.  scalene          
B.         right angled  
C.  obtuse angled    
D.         acute angled
Answer» C.  obtuse angled    
1177.

In a quadrilateral PQSR, with a diagonal PS, if QS = SR and \[\angle \,\text{QSP = }\angle \,\text{RSP}\], then consider the following statements: Assertion (A): \[\angle \,\text{QPS = }\angle \,\text{RPS}\]Reason (R): Triangles QPS and RPS are congruent. Of these statements:

A.  both A and R are true and R is the correct explanation of A  
B.  both A and R are true but R is not a correct explanation of A
C.  A is true, but R is false
D.  A is false, but R is true
Answer» B.  both A and R are true but R is not a correct explanation of A
1178.

\[\Delta \,ABC\] is congruent of \[\Delta \,DEF\], if

A. \[AB=4=DE,\,AC=6=DF,\,\,\angle A=\angle D\,\]
B. \[AB=4=DE,\,AC=6=DF,\,\,\angle B=\angle E\,\]
C. \[AB=6=DE,\,AC=4=DF,\,\,\angle C=\angle F\,\]
D. \[AB=4=DE,\,AC=6=DF,\,\,\angle C=\angle F\,\]
Answer» C. \[AB=6=DE,\,AC=4=DF,\,\,\angle C=\angle F\,\]
1179.

In a right-angled triangle \[ABC,\,\,\angle BCA=90{}^\circ \]. CD is perpendicular from C to AB. By using the concept of area or areas of triangles, which one of the following relationships holds good?

A. \[\frac{1}{C{{D}^{2}}}=\frac{1}{B{{C}^{2}}}-\frac{1}{C{{A}^{2}}}\]
B. \[\frac{1}{C{{D}^{2}}}=\frac{1}{A{{B}^{2}}}+\frac{1}{C{{A}^{2}}}\]
C. \[\frac{1}{C{{D}^{2}}}=\frac{1}{A{{B}^{2}}}-\frac{1}{C{{A}^{2}}}\]
D. \[\frac{1}{C{{D}^{2}}}=\frac{1}{B{{C}^{2}}}+\frac{1}{C{{A}^{2}}}\]
Answer» E.
1180.

The perimeter of a triangle is

A.  greater than the sum of its altitudes  
B.  less than the sum of its altitudes
C.  equal to the sum of its altitudes
D.  none of these
Answer» B.  less than the sum of its altitudes
1181.

AB and CD are parallel straight lines. EG intersects the lines AB and CD at F and G respectively If \[\angle \,AFE=60{}^\circ \] and the straight line HI bisects \[\angle \,EGD\], then \[\angle DGI\] is  

A. \[60{}^\circ \]
B. \[120{}^\circ \]  
C. \[130{}^\circ \]
D. \[140{}^\circ \]                          
Answer» C. \[130{}^\circ \]
1182.

BD is a median of a triangle ABC. F is a point on AB such that CF intersects BD at E and BE = ED. If BF = 5 cm. BA is equal to

A.  10                                         
B.  12
C.  15                           
D.         17
Answer» D.         17
1183.

Given AB, CD and EF straight lines intersecting at the point O. If \[a=c

A.  EF bisects \[\angle \,BOD\]
B.  CD bisects \[\angle \,AOF\]
C.  AB bisects \[\angle \,COD\]           
D.  CD bisects \[\angle \,EOB\]
Answer» B.  CD bisects \[\angle \,AOF\]
1184.

In the shown figure, the bisector of angle P is bisecting the opposite side QR. If \[\mathbf{PQ}\text{ }=\text{ }\mathbf{3}\text{ }\mathbf{cm}\] then the value of PR is _________            

A. 3cm        
B.  4cm    
C.   6cm                 
D.                    1.5cm
E. None of these
Answer» B.  4cm    
1185.

If two angles of a triangle are acute angles, the third angle

A.  is less than the sum of the two angles
B.  is an acute angle
C.  is the largest angle of the triangle
D.  may be an obtuse angle  
Answer» E.
1186.

One angle of a seven-sided polygon is 114. And each of the other six angles is \[x{}^\circ \]. The value of \[x\] is

A. \[114{}^\circ \]
B. \[121{}^\circ \]
C. \[131{}^\circ \]  
D.  \[151{}^\circ \]
Answer» D.  \[151{}^\circ \]
1187.

If the sum of all interior angles of a convex polygon is 1440., then the number of sides of the polygon is

A.  8                            
B.         10
C.  11                         
D.         12  
Answer» E.
1188.

A, B, C, D are four points in a straight line. Distance from A to B is 10, B to C is 5, C to D is 4 and A to D is 1. Which one of the following is the correct sequence of the points?

A. \[A-B-C-D\]
B. \[A-C-B-D\]
C. \[A-D-C-B\]
D. \[A-C-D-B\]
Answer» D. \[A-C-D-B\]
1189.

If X, Y, Z, P are points on a line, X, Y have coordinates -7,11 with respect to an origin 0 on the line and XZ = ZY = PY = 9, ZP = 18, then which one of the following is the correct sequence ?

A. \[X-Z-P-Y\]
B. \[Y-Z-X-P\]
C. \[P-Z-X-Y\]
D. \[P-Y-Z-X\]
Answer» E.
1190.

A circle has two equal chords AB and AC. Chord AD cuts BC in E. If AC = 12 cm. and AE = 8 cm., then AD is equal to

A.  27                         
B.         24
C.  21                         
D.         18  
Answer» E.
1191.

The sides of a triangle are in the ratio 4 : 6 : 7 Then                                   

A.  The triangle is obtuse-angled
B.  The triangle is acute-angled  
C.  The triangle is right-angled
D.  The triangle is impossible
Answer» C.  The triangle is right-angled
1192.

In the trapezium PQRS, PQ is parallel to RS and the diagonals intersect at O. If OP . SR=m(OR . PQ), then the value of m is

A. \[\frac{1}{4}\]
B. \[\frac{1}{3}\]
C.  \[1\]                       
D. \[\frac{1}{2}\]
Answer» D. \[\frac{1}{2}\]
1193.

The direct common tangents of two congruent circles are

A.  equal
B.  parallel
C.  parallel and equal  
D.  parallel and unequal
Answer» D.  parallel and unequal
1194.

In a parallelogram PQRS, PQ = 4.5 cm, PR = 6 cm, QS = 7.8 cm and the diagonals PR and QS intersect each other at 0, then to draw a parallelogram we have to draw first

A.  APQR                                  
B.  AROS  
C.  AQOR                                  
D.  APRS
Answer» C.  AQOR                                  
1195.

For a regular polygon the sum of the interior angles is twice the sum of the exterior angles, then the number of sides of the regular polygon is

A.  4                            
B.         5
C.  6                              
D.         8
Answer» D.         8
1196.

S is a point on the side QR of a triangle PQR such that PS bisects\[\text{ }\angle QPR\] then _________

A. \[QS=SR\]                    
B.  \[PR<RS\]
C.  \[PQ>QS\]   
D. Both B and C are true
E.  None of these
Answer» D. Both B and C are true
1197.

The straight lines which join the middle points of opposite sides of a quadrilateral

A.  Are parallel to one another
B.  Bisect one another  
C.  Trisect one another
D.  None of these
Answer» C.  Trisect one another
1198.

Two equal circles in the same plane can have at the most the following numbers of common tangents

A.  3                                            
B.  2
C.  4                              
D.         1
Answer» D.         1
1199.

If P is (-3, 4) and My  Mx (P) shows the reflectior of the point P in the x-axis and then the reflectior of the image in the y-axis, then My Mx (P) is

A. (3, 4)                    
B. (-3, -4)
C. (-3, 4)
D. (3, -4)
Answer» E.
1200.

Three circles have the centres at A, B, C and each circle touches the other two externally. If AB = 5 cm, BC = 7 cm and CA = 6 cm, then the radii of three circles respectively are

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