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MATHS M.C.Q. [1 Marks Each]

Symmetry · Rajasthan Board (RBSE) STD 6 (Rajasthan - English Medium). 33 questions.

Questions

M.C.Q. [1 Marks Each]

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33 questions · auto-graded multiple-choice test.

MCQ 41 Mark
The number of lines of symmetry of the letter $Z$ of the English alphabet is:
  • ✓
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $3$
Answer
Correct option: A.
$0$
$Z$ has no line of symmetry.
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MCQ 51 Mark
The total number of lines of symmetry of a isosceles triangle is:
  • ✓
    $1$
  • B
    $2$
  • C
    $3$
  • D
    None of these.
Answer
Correct option: A.
$1$
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MCQ 61 Mark
The number of lines of symmetry of a circle is:
  • A
    $0$
  • B
    $1$
  • C
    $4$
  • ✓
    Unlimited
Answer
Correct option: D.
Unlimited

A circle has an infinite number of symmetry all along the diameters. It has an infinite number of diameters.
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MCQ 81 Mark
The total number of lines of symmetry of a scalene triangle is:
  • A
    $1$
  • B
    $2$
  • C
    $3$
  • ✓
    None of these.
Answer
Correct option: D.
None of these.
This is because the line of symmetry of a scalene triangle is $0.$
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MCQ 91 Mark
The number of lines of symmetry of the letter $O$ of the English alphabet is:
  • A
    $0$
  • B
    $1$
  • ✓
    $2$
  • D
    $3$
Answer
Correct option: C.
$2$
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MCQ 101 Mark
The number of lines of symmetry of an n-sided regular polygon is:
  • ✓
    $n$
  • B
    $2n$
  • C
    $\frac{\text{n}}{2}$
  • D
    None of these
Answer
Correct option: A.
$n$
The number of lines of symmetry of a regular polygon is equal to the sides of the polygon. If it has $‘n’$ number of sides, then there are ‘n’ lines of symmetry.
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MCQ 111 Mark
An equilateral triangle is symmetrical about each of its:
  • A
    Altitudes
  • B
    Median
  • C
    Angle of bisectors
  • ✓
    All of the above
Answer
Correct option: D.
All of the above
In equilateral triangle altitudes, angle bisectors and medians are all the same.
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MCQ 181 Mark
Which of the following is point symmetric?
  • A
    Equilateral triangle
  • B
    Equilateral triangle
  • ✓
    Rectangle
  • D
    None of these
Answer
Correct option: C.
Rectangle
C
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MCQ 191 Mark
Which of the following has an infinite number of lines of symmetry?
  • A
    Equilateral triangle
  • B
    Isosceles triangle
  • C
    Regular hexagon
  • ✓
    Circle
Answer
Correct option: D.
Circle
D
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MCQ 201 Mark
Which of the following is/are point symmetric?
  • A
    Rectangle
  • B
    Square
  • C
    Parallelogram
  • ✓
    All of these
Answer
Correct option: D.
All of these
D
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MCQ 211 Mark
Which of the following has only 2 lines of symmetry?
  • A
    Equilateral triangle
  • ✓
    Rhombus
  • C
    Circle
  • D
    None of these
Answer
Correct option: B.
Rhombus
B
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MCQ 221 Mark
The number of lines of symmetry of the letter Z of the English alphabet is
  • ✓
    0
  • B
    1
  • C
    2
  • D
    3
Answer
Correct option: A.
0
A
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MCQ 231 Mark
The number of lines of symmetry of the letter O of the English alphabet is
  • A
    0
  • B
    1
  • ✓
    2
  • D
    3
Answer
Correct option: C.
2
C
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MCQ 241 Mark
The number of lines of symmetry of an n-sided regular polygon is
  • ✓
    n
  • B
    2n
  • C
    $\frac{n}{2}$
  • D
    none of these
Answer
Correct option: A.
n
A
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MCQ 291 Mark
A rhombus is symmetrical about
  • ✓
    each of its diagonals
  • B
    the line joining the mid-points of its opposite sides
  • C
    perpendicular bisectors of each of its sides
  • D
    none of these
Answer
Correct option: A.
each of its diagonals
A
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MCQ 311 Mark
An equilateral triangle is symmetrical about each of its
  • A
    altitudes
  • B
    medians
  • C
    angle bisectors
  • ✓
    all the above
Answer
Correct option: D.
all the above
D
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MCQ 321 Mark
The total number of lines of symmetry of an isosceles triangle is
  • ✓
    1
  • B
    2
  • C
    3
  • D
    None of these
Answer
Correct option: A.
1
A
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MCQ 331 Mark
The total number of lines of symmetry of a scalene triangle is
  • A
    1
  • B
    2
  • C
    3
  • ✓
    None of these
Answer
Correct option: D.
None of these
D
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