MCQ Questions for Class 6 Maths Understanding Elementary Shapes Quiz 6

How many parallel and congruent bases does a cylinder have?

0%
4
0%
3
0%
1
0%
2

How many faces does a cuboid have?

0%
$4$
0%
$6$
0%
$8$
0%
None of the above.

Explanation

A cuboid is a

$3-D$ solid object bounded by

$6$ rectangular faces, with three faces meeting at each vertex.

Hence, a cuboid has

$6$ faces.

How many faces does a cube have?

0%
$4$
0%
$6$
0%
$8$
0%
None

Explanation

Cube is a 3D solid object bounded by six square faces with three meeting at each vertex.

Hence a cube has

$6$ faces.

Which angle of a triangle is a right angle?

0%
Angle C
0%
Angle A
0%
Angle B
0%
None of the above

Explanation

From the geometry of the figure it is clear that

$\angle B$ is right angle.

So option

$C$ is correct.

If one angle at a point is reflex angle, the other at that point may be :

0%
Acute angle
0%
Obtuse angle
0%
Straight angle
0%
Acute or obtuse angle

Explanation

We know, the angle formed at a point is

$\displaystyle { 360 }^{ o }$ .

When one of angle is reflex, it range from

$\displaystyle { 180 }^{ o }$ to

$\displaystyle { 360 }^{ o }$ .

If angle is

$\displaystyle { 200 }^{ o }$ then the other angle is

$\displaystyle { 160 }^{ o }$ , i.e obtuse angle.

If one reflex angle is

$\displaystyle { 300 }^{ o }$ then other angle is

$\displaystyle { 60 }^{ o }$ i.e acute angle.

Hence, the option

$D$ is correct.

Which of the following is a reflex angle?

0%
$\displaystyle { 180 }^{ o }$
0%
$\displaystyle { 360 }^{ o }$
0%
$\displaystyle { 204 }^{ o }$
0%
$\displaystyle { 135 }^{ o }$

Explanation

We know, reflex angle must be between

$\displaystyle { 180 }^{ o }$ and

$\displaystyle { 360 }^{ o }$ . It can't be equal to

$\displaystyle { 180 }^{ o }$ or

$\displaystyle { 360 }^{ o }$ as these are straight and complete angle, respectively.

Here, only

$204^o$ is greater than

$180^o$ and less than

$360^o$ .

Therefore, option

$C$ is correct.

How many pairs of congruent parallel faces does a rectangular prism have?

0%
6
0%
3
0%
5
0%
4

Reflex angle is greater than _____ but less than _____angle.

0%
Complete, acute
0%
Acute, Straight
0%
Obtuse, Straight
0%
Straight, Complete

Explanation

Reflex angle is the angle which is greater than

$\displaystyle {180}^{ o }$ and less than

$\displaystyle {360 }^{ o }$ .

Straight angle is

$\displaystyle { 180 }^{ o }$ and complete angle is

$\displaystyle { 360 }^{ o }$ .

So reflex angle is greater than straight angle and less than complete angle.

Identify the 3D figure.

0%
Cylinder
0%
Cone
0%
Circle
0%
Cuboid

Find the name of the triangle.

0%
isosceles
0%
equilateral
0%
scalene
0%
acute

A ______ triangle has no congruent sides.

0%
isosceles
0%
equilateral
0%
acute
0%
scalene

A ______ triangle has no equal angles.

0%
isosceles
0%
equilateral
0%
acute
0%
scalene

Identify the name of the triangle.

0%
isosceles
0%
equilateral
0%
scalene
0%
right-angled

Identify the scalene triangle.

Explanation

Scalene triangles are triangles with all three sides of different lengths and all three angles of different measure.

Option

$A$ has all sides of same length.

Option

$B$ and

$D$ have two sides of same length.

So, only option

$C$ is correct, where all

$3$ sides and angles are different.

Identify the 3D figure.

0%
Rectangular prism
0%
Triangular prism
0%
Pyramid
0%
Cone

Name the 3D figure.

0%
Cuboid
0%
Cube
0%
Cylinder
0%
Circle

Identify the figure.

0%
Pyramid
0%
Cuboid
0%
Triangle
0%
Cube

Which of the following picture is not a 3D figure?

Which of the following is a straight angle?

0%
Angle that is less that $90^{\circ}$
0%
Angle that is exactly $90^{\circ}$
0%
Angle that is greater than $90^{\circ}$
0%
None of these

Explanation

Straight angle is the angle which is exactly

$180^{\circ}$

Hence option

$D$ is the correct answer.

Which one of the following figure is not a scalene triangle?

Explanation

The second option is not a scalene triangle, because it has

$2$ equal sides.

A triangle that has an angle greater than ____ is called as obtuse triangle.

0%
$30^{o}$
0%
$60^{o}$
0%
$80^{o}$
0%
$90^{o}$

Explanation

A triangle that has an angle greater than

$90^{o}$ is called as obtuse triangle.

A scalene triangle has three different side lengths and three different ______.

0%
radius
0%
angles
0%
arc
0%
symmetry

A ______ triangle is a triangle with one angle that is exactly

$90^{o}.$

0%
right angled
0%
acute
0%
obtuse
0%
scalene

Explanation

A right angled triangle is a triangle with one angle that is exactly

$90^{o}.$

A triangle that has an angle greater than

$90^{o}$ is called as ______ triangle.

0%
acute
0%
right angled
0%
equilateral
0%
obtuse

Explanation

A triangle that has an angle greater than

$90^{o}$ is called as obtuse triangle.

Find the name of the triangle.

0%
acute
0%
obtuse
0%
scalene
0%
isosceles

Explanation

A triangle that has an angle greater than

$90^{o}$ is called as obtuse triangle.
So, the name of the triangle is obtuse triangle.

Identify the obtuse triangle.

Explanation

A triangle that has an angle greater than

$90^{o}$ is called as obtuse triangle.

An obtuse triangle will have one and only one _______ angle.

0%
acute
0%
obtuse
0%
scalene
0%
right angled

Explanation

An obtuse triangle will have one and only one obtuse angle, because the sum of angles of a triangle is

$180^{o}$ .
If there are two obtuse angles or an obtuse and a right angle the sum will exceed

$180^{o}$ .

A right triangle is a triangle with one angle that is exactly ____ degrees.

0%
$30^o$
0%
$45^o$
0%
$90^o$
0%
$180^o$

Explanation

A right triangle is a triangle with one angle that is exactly

$90^o$ .

Which one of the following figure is an obtuse triangle?

Explanation

A triangle that has an angle greater than

$90^{o}$ is called as obtuse triangle.

Identify the triangle.

0%
obtuse
0%
acute
0%
isosceles
0%
right angled

Explanation

Acute triangle is that which has all angles less than

$90^o$ .
So, the name of the figured triangle is an acute angled triangle.

CBSE Questions for Class 6 Maths Understanding Elementary Shapes Quiz 6 - MCQExams.com

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Practice Class 6 Maths Quiz Questions and Answers

CBSE Questions for Class 6 Maths Understanding Elementary Shapes Quiz 6 - MCQExams.com

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Practice Class 6 Maths Quiz Questions and Answers

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