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MCQ

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40 questions · timed · auto-graded

MCQ 11 Mark
The lengths of the three sides of a triangle are $4 cm, 5 cm$ and 7 cm . Which of the following cannot be the length of any one of the medians?
  • A
    2.5 cm
  • B
    3.8 cm
  • C
    5 cm
  • none of these
Answer
Correct option: D.
none of these
D
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MCQ 21 Mark
ABD is a triangle such that $\angle ADB =20^{\circ}$ and C is a point on BD such that $AB =$ AC and $CD = CA$. The measure of $\angle ABC$ is :
  • $40^{\circ}$
  • B
    $50^{\circ}$
  • C
    $55^{\circ}$
  • D
    $60^{\circ}$
Answer
Correct option: A.
$40^{\circ}$
A
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MCQ 31 Mark
ABC is a triangle in which $AC = BC$ and $\angle BAC =50^{\circ}$. Side BC is produced to D such that $BC = CD . \angle BAD$ is equal to :
  • A
    $45^{\circ}$
  • B
    $50^{\circ}$
  • $90^{\circ}$
  • D
    $100^{\circ}$
Answer
Correct option: C.
$90^{\circ}$
C
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MCQ 41 Mark
In the figure, $\triangle ABD \cong \triangle ACD$. If $\angle DAC =30^{\circ}$ and $\angle BDC =110^{\circ}$, then the measure of $\angle DBA$ is :
Image
  • A
    $30^{\circ}$
  • B
    $50^{\circ}$
  • C
    $70^{\circ}$
  • $25^{\circ}$
Answer
Correct option: D.
$25^{\circ}$
D
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MCQ 51 Mark
In the given figure, the bisectors of $\angle B$ and $\angle C$ intersect each other at O and $\angle BAC =50^{\circ}$. The measure of $\angle BOC$ is :
Image
  • A
    $100^{\circ}$
  • $115^{\circ}$
  • C
    $130^{\circ}$
  • D
    $140^{\circ}$
Answer
Correct option: B.
$115^{\circ}$
B
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MCQ 61 Mark
Assertion (A) : In $\triangle A B C, D$ is a point on side $B C$.
\[AB+BC+AC>2 AD\]
Reason (R) : Sum of two sides of a triangle is greater than the third side.
Image
  • A
    A is true, R is false
  • B
    A is false, R is true
  • Both A and R are true
  • D
    Both A and R are false.
Answer
Correct option: C.
Both A and R are true
C
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MCQ 71 Mark
Assertion (A) : If three angles of a triangle are equal to the corresponding three angles of another triangle, then the triangles are congruent.
Reason (R) : Two triangles are said to be congruent, if and only if, one of them can be made to superimpose on the other so as to cover exactly.
  • A
    A is true, R is false
  • A is false, R is true
  • C
    Both A and R are true
  • D
    Both A and R are false.
Answer
Correct option: B.
A is false, R is true
B
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MCQ 81 Mark
Assertion (A) : The orthocentre of a triangle may lie in the exterior of the triangle.
Reason (R) : The point of intersection of the medians of a triangle is called its orthocentre.
  • A is true, R is false
  • B
    A is false, R is true
  • C
    Both A and R are true
  • D
    Both A and R are false.
Answer
Correct option: A.
A is true, R is false
A
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MCQ 91 Mark
In $\triangle ABC , AB > AC$ and D is any point on BC , then, AB $\qquad$_________.
  • A
    $<$ DC
  • B
    < AD
  • C
    $= BC$
  • $> AD$
Answer
Correct option: D.
$> AD$
D
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MCQ 101 Mark
The angles of a triangle are $5(x-4)^{\circ},(4 x+5)^{\circ}$ and $(x+25)^{\circ}$, then the value of $x$ is :
  • 17
  • B
    18
  • C
    19
  • D
    21
Answer
Correct option: A.
17
A
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MCQ 111 Mark
In a $\triangle ABC , 2 \angle A=3 \angle B$ and $\angle C =100^{\circ}$. The correct ascending order of sides of the triangle is :
  • $AC < BC < AB$
  • B
    $BC < AC < AB$
  • C
    $AB < AC < AB$
  • D
    $BC < AB < AC$
Answer
Correct option: A.
$AC < BC < AB$
A
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MCQ 121 Mark
In a $\triangle ABC , AB =6 cm, BC =7 cm$ and $CA =8 cm$. The smallest angle of the triangle is :
  • A
    $\angle A$
  • B
    $\angle B$
  • $\angle C$
  • D
    none of these
Answer
Correct option: C.
$\angle C$
C
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MCQ 131 Mark
In a $\triangle ABC , \angle A =40^{\circ}$ and $\angle B =60^{\circ}$. The longest side of the triangle is :
  • AB
  • B
    BC
  • C
    CA
  • D
    none of these
Answer
Correct option: A.
AB
A
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MCQ 141 Mark
In a $\triangle ABC , AB > BC > CA$. Then :
  • $AB - BC < CA$
  • B
    $AB - BC > CA$
  • C
    $AB + BC < CA$
  • D
    none of these
Answer
Correct option: A.
$AB - BC < CA$
A
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MCQ 151 Mark
ABC is a right-angled triangle whose hypotenuse is AC . If $AB : BC =3: 4$, then the smallest angle of the triangle is :
  • A
    $\angle A$
  • B
    $\angle B$
  • $\angle C$
  • D
    none of these
Answer
Correct option: C.
$\angle C$
C
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MCQ 161 Mark
In right triangles ABC and DEF , if hypotenuse $AB = EF$ and side $AC = DE$, then $\triangle ABC$ is congruent to :
  • A
    $\triangle FED$
  • $\triangle EFD$
  • C
    $\triangle DEF$
  • D
    $\triangle FDE$
Answer
Correct option: B.
$\triangle EFD$
B
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MCQ 171 Mark
In the figure, $AB = AC$ and $DB = DC$. $\angle ABD : \angle ACD$ is :
Image
  • A
    1 : 2
  • B
    2 : 1
  • 1 : 1
  • D
    1 : 3
Answer
Correct option: C.
1 : 1
C
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MCQ 181 Mark
In the adjoining figure, $AB = AC , BD = CD$, $\angle BAD =32^{\circ}, \angle BDC =56^{\circ}, \angle CAD =2 x^{\circ}$ and $\angle BDA =(x+y)^{\circ}$. The values of $x$ and $y$ will be :
Image
  • A
    $x=10, y=16$
  • $x=16, y=12$
  • C
    $x=18, y=8$
  • D
    $x=12, y=16$
Answer
Correct option: B.
$x=16, y=12$
B
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MCQ 191 Mark
In the adjoining figure, $AB = AC$ and $BD = CD$. Then, $\angle ADC =$.
Image
  • A
    $60^{\circ}$
  • B
    $75^{\circ}$
  • $90^{\circ}$
  • D
    $100^{\circ}$
Answer
Correct option: C.
$90^{\circ}$
C
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MCQ 201 Mark
In the adjoining figure, $\angle ABC =90^{\circ}, \angle BCA =50^{\circ}$ and $BD \perp AC$. Then, $\angle ABD =$.
Image
  • A
    $30^{\circ}$
  • B
    $40^{\circ}$
  • $50^{\circ}$
  • D
    $60^{\circ}$
Answer
Correct option: C.
$50^{\circ}$
C
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MCQ 211 Mark
In a $\triangle PQR , \angle Q =50^{\circ}, \angle R =65^{\circ}$ and $QR =4 cm$. Then $PQ =$
  • A
    6 cm
  • B
    5 cm
  • 4 cm
  • D
    3 cm
Answer
Correct option: C.
4 cm
C
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MCQ 221 Mark
In a $\triangle ABC , AB = AC$ and $\angle B =50^{\circ}$. Then $\angle A =$
  • A
    $50^{\circ}$
  • $80^{\circ}$
  • C
    $100^{\circ}$
  • D
    $105^{\circ}$
Answer
Correct option: B.
$80^{\circ}$
B
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MCQ 231 Mark
In $\triangle A B C, A B>A C$ and $D$ is any point on $B C$, then, $A B$ _________________ .
  • A
    $<$ DC
  • B
    $< AD$
  • C
    $= BC$
  • $> AD$
Answer
Correct option: D.
$> AD$
D
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MCQ 241 Mark
The angles of a triangle are $5(x-4)^{\circ},(4 x+5)^{\circ}$ and $(x+25)^{\circ}$, then the value of $x$ is :
  • 17
  • B
    18
  • C
    19
  • D
    21
Answer
Correct option: A.
17
A
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MCQ 251 Mark
In a $\triangle A B C, 2 \angle A=3 \angle B$ and $\angle C=100^{\circ}$. The correct ascending order of sides of the triangle is :
  • $AC < BC < AB$
  • B
    $BC < AC < AB$
  • C
    $AB < AC < AB$
  • D
    $BC < AB < AC$
Answer
Correct option: A.
$AC < BC < AB$
A
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MCQ 261 Mark
In a $\triangle ABC , AB =6 cm, BC =7 cm$ and $CA =8 cm$. The smallest angle of the triangle is :
  • A
    $\angle A$
  • B
    $\angle B$
  • $\angle C$
  • D
    none of these
Answer
Correct option: C.
$\angle C$
C
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MCQ 271 Mark
In a $\triangle ABC , \angle A =40^{\circ}$ and $\angle B =60^{\circ}$. The longest side of the triangle is :
  • AB
  • B
    BC
  • C
    CA
  • D
    none of these
Answer
Correct option: A.
AB
A
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MCQ 281 Mark
In a $\triangle ABC , AB > BC > CA$. Then :
  • $AB - BC < CA$
  • B
    $AB - BC > CA$
  • C
    $AB + BC < CA$
  • D
    none of these
Answer
Correct option: A.
$AB - BC < CA$
A
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MCQ 291 Mark
If $a, b, c$ be the lengths of the sides of a triangle, then :
  • A
    $a=b+c$
  • $a < b+c$
  • C
    $a>b+c$
  • D
    $a < b-c$
Answer
Correct option: B.
$a < b+c$
B
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MCQ 301 Mark
ABC is a right-angled triangle whose hypotenuse is AC . If $AB : BC =3: 4$, then the smallest angle of the triangle is :
  • A
    $\angle A$
  • B
    $\angle B$
  • $\angle C$
  • D
    none of these
Answer
Correct option: C.
$\angle C$
C
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MCQ 311 Mark
In right triangles ABC and DEF , if hypotenuse $AB = EF$ and side $AC = DE$, then $\triangle A B C$ is congruent to :
  • A
    $\triangle FED$
  • $\triangle EFD$
  • C
    $\triangle DEF$
  • D
    $\triangle FDE$
Answer
Correct option: B.
$\triangle EFD$
B
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MCQ 321 Mark
In the figure, $AB = AC$ and $DB = DC$. $\angle ABD : \angle ACD$ is :
Image
  • A
    $1: 2$
  • B
    $2: 1$
  • $1: 1$
  • D
    $1: 3$
Answer
Correct option: C.
$1: 1$
C
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MCQ 331 Mark
In the adjoining figure, $AB = AC , BD = CD$, $\angle BAD =32^{\circ}, \angle BDC =56^{\circ}, \angle CAD =2 x^{\circ}$ and $\angle BDA =(x+y)^{\circ}$. The values of $x$ and $y$ will be :
Image
  • A
    $x=10, y=16$
  • $x=16, y=12$
  • C
    $x=18, y=8$
  • D
    $x=12, y=16$
Answer
Correct option: B.
$x=16, y=12$
B
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MCQ 341 Mark
In the adjoining figure, $AB = AC$ and $BD = CD$. Then, $\angle ADC =$
Image
  • A
    $60^{\circ}$
  • B
    $75^{\circ}$
  • $90^{\circ}$
  • D
    $100^{\circ}$
Answer
Correct option: C.
$90^{\circ}$
C
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MCQ 351 Mark
In the adjoining figure, $\angle ABC =90^{\circ}, \angle BCA =50^{\circ}$ and $BD \perp AC$. Then, $\angle ABD =$
Image
  • A
    $30^{\circ}$
  • B
    $40^{\circ}$
  • $50^{\circ}$
  • D
    $60^{\circ}$
Answer
Correct option: C.
$50^{\circ}$
C
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MCQ 361 Mark
In a $\triangle PQR , \angle Q =50^{\circ}, \angle R =65^{\circ}$ and $QR =4 cm$. Then $PQ =$
  • A
    6 cm
  • B
    5 cm
  • 4 cm
  • D
    3 cm
Answer
Correct option: C.
4 cm
C
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MCQ 371 Mark
In a $\triangle ABC , AB = AC$ and $\angle B =50^{\circ}$. Then $\angle A =$
  • A
    $50^{\circ}$
  • $80^{\circ}$
  • C
    $100^{\circ}$
  • D
    $105^{\circ}$
Answer
Correct option: B.
$80^{\circ}$
B
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MCQ 391 Mark
Assertion (A) : If three angles of a triangle are equal to the corresponding three angles of another triangle, then the triangles are congruent.
Reason (R): Two triangles are said to be congruent, if and only if, one of them can be made to superimpose on the other so as to cover exactly.
  • A
    A is true, R is false
  • A is false, R is true
  • C
    Both A and R are true
  • D
    Both A and R are false.
Answer
Correct option: B.
A is false, R is true
B
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MCQ 401 Mark
Assertion (A): The orthocentre of a triangle may lie in the exterior of the triangle.
Reason (R): The point of intersection of the medians of a triangle is called its orthocentre.
  • A is true, R is false
  • B
    A is false, R is true
  • C
    Both A and R are true
  • D
    Both A and R are false.
Answer
Correct option: A.
A is true, R is false
A
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