MCQ 511 Mark
In a $\triangle A B C$, if $2 \angle A=3 \angle B=6 \angle C$, then $\angle B=$ ?
- A$30^{\circ}$
- B$90^{\circ}$
- ✓$60^{\circ}$
- D$45^{\circ}$
Answer
View full question & answer→Correct option: C.
$60^{\circ}$
c
Questions · Page 2 of 2
M.C.Q. [1 Marks Each]
MCQ 521 Mark
The angles of a triangle are in the ratio 2: 3: 7. The measure of the largest angle is
- A$84^{\circ}$
- B$98^{\circ}$
- ✓$105^{\circ}$
- D$91^{\circ}$
Answer
View full question & answer→Correct option: C.
$105^{\circ}$
c
MCQ 531 Mark
In a $\triangle A B C$ it is given that $\angle B=37^{\circ}$ and $\angle C=29^{\circ}$. Then, $\angle A=$ ?
- A$86^{\circ}$
- B$66^{\circ}$
- ✓$114^{\circ}$
- D$57^{\circ}$
Answer
View full question & answer→Correct option: C.
$114^{\circ}$
c
MCQ 541 Mark
In $\triangle A B C, \angle B=90^{\circ}, A B=5 cm$ and $A C=13 cm$. Then, $B C=$ ?
- A8 cm
- B18 cm
- ✓12 cm
- Dnone of these
Answer
View full question & answer→Correct option: C.
12 cm
c
MCQ 551 Mark
The diagonals of a rhombus
- Aare always equal
- Bnever bisect each other
- Calways bisect each other at an acute angle
- ✓always bisect each other at right angles
Answer
View full question & answer→Correct option: D.
always bisect each other at right angles
d
MCQ 561 Mark
The sum of any two sides of a triangle is always
- Aequal to the third side
- Bless than the third side
- Cgreater than or equal to the 3rd side
- ✓greater than the 3rd side
Answer
View full question & answer→Correct option: D.
greater than the 3rd side
d
MCQ 571 Mark
In the given figure, $A B\|C D\| E F, \angle A B G=110^{\circ}, \angle G C D=100^{\circ}$ and $\angle B G C=x^{\circ}$. Then, $x=$ ?
- A35
- B50
- ✓30
- D40
Answer
View full question & answer→Correct option: C.
30
c
MCQ 581 Mark
In the given figure. $P Q \| R S, \angle P A B=60^{\circ}$ and $\angle A C S=100^{\circ}$. Then, $\angle B A C=$ ?
- ✓$40^{\circ}$
- B$60^{\circ}$
- C$80^{\circ}$
- D$50^{\circ}$
Answer
View full question & answer→Correct option: A.
$40^{\circ}$
a
MCQ 591 Mark
In the given figure, $A B \| C D, \angle O A B=150^{\circ}$ and $\angle O C D=120^{\circ}$, Then, $\angle A O C=$ ?
- A$80^{\circ}$
- ✓$90^{\circ}$
- C$70^{\circ}$
- D$100^{\circ}$
Answer
View full question & answer→Correct option: B.
$90^{\circ}$
b
MCQ 601 Mark
The sum of all angles of a quadrilateral is
- A$180^{\circ}$
- B$270^{\circ}$
- ✓$360^{\circ}$
- D$480^{\circ}$
Answer
View full question & answer→Correct option: C.
$360^{\circ}$
c
MCQ 611 Mark
The sum of all angles of a triangle is
- A$90^{\circ}$
- B$100^{\circ}$
- C$150^{\circ}$
- ✓$180^{\circ}$
Answer
View full question & answer→Correct option: D.
$180^{\circ}$
d
MCQ 621 Mark
In $\triangle A B C$, if $\angle A=65^{\circ}$ and $\angle C=85^{\circ}$, then $\angle B=$ ?
- A$25^{\circ}$
- ✓$30^{\circ}$
- C$35^{\circ}$
- D$40^{\circ}$
Answer
View full question & answer→Correct option: B.
$30^{\circ}$
(b) $30^{\circ}$
Hint. $(\angle A+\angle B)+(\angle B+\angle C)=\left(65^{\circ}+140^{\circ}\right) \Rightarrow(\angle A+\angle B+\angle C)+B=205^{\circ} \Rightarrow 180^{\circ}+\angle B=205^{\circ} $
$ \Rightarrow \angle B=205^{\circ}-180^{\circ}=25^{\circ}.$
Hint. $(\angle A+\angle B)+(\angle B+\angle C)=\left(65^{\circ}+140^{\circ}\right) \Rightarrow(\angle A+\angle B+\angle C)+B=205^{\circ} \Rightarrow 180^{\circ}+\angle B=205^{\circ} $
$ \Rightarrow \angle B=205^{\circ}-180^{\circ}=25^{\circ}.$
MCQ 631 Mark
In the given figure, $\angle A=50^{\circ}, C E \| B A$ and $\angle E C D=60^{\circ}$. Then, $\angle A C B=$ ?
- A$50^{\circ}$
- B$60^{\circ}$
- ✓$70^{\circ}$
- D$80^{\circ}$
Answer
View full question & answer→Correct option: C.
$70^{\circ}$
c
MCQ 641 Mark
In the given figure, rays $O A, O B, O C$ and $O D$ are such that $\angle A O B=50^{\circ}, \angle B O C=90^{\circ}, \angle C O D=70^{\circ}$ and $\angle A O D=x^{\circ}$.
Then, the value of $x$ is
Then, the value of $x$ is
- A$50^{\circ}$
- B$70^{\circ}$
- ✓$150^{\circ}$
- D$90^{\circ}$
Answer
View full question & answer→Correct option: C.
$150^{\circ}$
c
MCQ 651 Mark
In the given figure, side $B C$ of $\triangle A B C$ is produced to $D$ such that $\angle A B C=70^{\circ}$ and $\angle A C D=120^{\circ}$. Then, $\angle B A C=$ ?
- A$60^{\circ}$
- ✓$50^{\circ}$
- C$70^{\circ}$
- D$35^{\circ}$
Answer
View full question & answer→Correct option: B.
$50^{\circ}$
b
MCQ 661 Mark
In $\triangle A B C$, side $B C$ has been produced to $D$. If $\angle B A C=45^{\circ}$ and $\angle A B C=55^{\circ}$, then $\angle A C D=$ ?
- A$80^{\circ}$
- B$90^{\circ}$
- ✓$100^{\circ}$
- D$110^{\circ}$
Answer
View full question & answer→Correct option: C.
$100^{\circ}$
c
MCQ 671 Mark
In $\triangle A B C$, stde $B C$ has been produced to $D$. If $\angle A C D=132^{\circ}$ and $\angle A=54^{\circ}$, then $\angle B=$ ?
- A$48^{\circ}$
- ✓$78^{\circ}$
- C$68^{\circ}$
- D$58^{\circ}$
Answer
View full question & answer→Correct option: B.
$78^{\circ}$
b
MCQ 681 Mark
In the given flgure, $A O B$ is a straight line, $\angle A O C=(3 x-8)^{\circ}$, $\angle C O D=50^{\circ}$ and $\angle B O D=(x+10)^{\circ}$. The value of $x$ is
- ✓32
- B42
- C36
- D52
Answer
View full question & answer→Correct option: A.
32
a
MCQ 691 Mark
In the given figure, two straight lines $A B$ and $C D$ intersect at a point $O$ and $\angle A O C=50^{\circ}$. Then, $\angle B O D=$ ?
- A$40^{\circ}$
- ✓$50^{\circ}$
- C$130^{\circ}$
- D$60^{\circ}$
Answer
View full question & answer→Correct option: B.
$50^{\circ}$
b
MCQ 701 Mark
In the given figure, it is given that AOB is a straight line and 4x = 5y What is the value of x?
- ✓100
- B105
- C110
- D115
Answer
View full question & answer→Correct option: A.
100
(a) 100
Hint. $x+\frac{4}{5} x=180 \Rightarrow 9 x=(5 \times 180)$.
Hint. $x+\frac{4}{5} x=180 \Rightarrow 9 x=(5 \times 180)$.
MCQ 711 Mark
In the given figure, what value of $x$ will make $A O B$ a straight line?
- Ax = 50
- Bx = 100
- Cx = 60
- ✓x = 80
Answer
View full question & answer→Correct option: D.
x = 80
d
MCQ 721 Mark
In the adjoining figure, what value of $x$ will make $A O B$ a straight line?
- Ax = 30
- ✓x = 35
- Cx = 25
- Dx = 40
Answer
View full question & answer→Correct option: B.
x = 35
b
MCQ 731 Mark
In the given figure, $A O B$ is a straight line, $\angle A O C=68^{\circ}$ and $\angle B O C=x^{\circ}$. The value of $x$ is
- A32
- B22
- ✓112
- D132
Answer
View full question & answer→Correct option: C.
112
c
MCQ 741 Mark
In the given figure, $A O B$ is a straight line and the ray $O C$ stands on it. If $\angle B O C=132^{\circ}$, then $\angle A O C=$ ?
- A$68^{\circ}$
- B$48^{\circ}$
- C$42^{\circ}$
- ✓none of these
Answer
View full question & answer→Correct option: D.
none of these
d
MCQ 751 Mark
Two supplementary angles are in the ratio $3: 2$. The smaller angle measures
- A$108^{\circ}$
- B$81^{\circ}$
- ✓$72^{\circ}$
- Dnone of these
Answer
View full question & answer→Correct option: C.
$72^{\circ}$
c
MCQ 761 Mark
An angle is $32^{\circ}$ less than its supplement. The measure of the angle is
- A$37^{\circ}$
- ✓$74^{\circ}$
- C$148^{\circ}$
- Dnone of these
Answer
View full question & answer→Correct option: B.
$74^{\circ}$
b
MCQ 771 Mark
An angle is $24^{\circ}$ more than its complement. The measure of the angle is
- A$47^{\circ}$
- ✓$57^{\circ}$
- C$53^{\circ}$
- D$66^{\circ}$
Answer
View full question & answer→Correct option: B.
$57^{\circ}$
b
MCQ 781 Mark
An angle is one-fifth of its supplement. The measure of the angle is
- ✓$30^{\circ}$
- B$15^{\circ}$
- C$75^{\circ}$
- D$150^{\circ}$
Answer
View full question & answer→Correct option: A.
$30^{\circ}$
a
MCQ 791 Mark
An angle is its own complement. The measure of the angle is
- A$30^{\circ}$
- ✓$45^{\circ}$
- C$90^{\circ}$
- D$60^{\circ}$
Answer
View full question & answer→Correct option: B.
$45^{\circ}$
b
MCQ 801 Mark
The complement of $80^{\circ}$ is
- A$100^{\circ}$
- ✓$10^{\circ}$
- C$20^{\circ}$
- D$280^{\circ}$
Answer
View full question & answer→Correct option: B.
$10^{\circ}$
b
MCQ 811 Mark
The supplement of $45^{\circ}$ is
- A$45^{\circ}$
- B$75^{\circ}$
- ✓$135^{\circ}$
- D$155^{\circ}$
Answer
View full question & answer→Correct option: C.
$135^{\circ}$
c