Maths Quiz (Geometry) for CTET Exam 2016_00.1
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Maths Quiz (Geometry) for CTET Exam 2016

Maths Quiz (Geometry) for CTET Exam 2016_40.1


Q1. An equilateral ∆ABC is inscribed in circle with centre O. Then ∠BOC is equal to- 
(a) 120°  
(b) 75°
(c) 180°
(d) 60°
(We know that the angle subtended by an arc of a circle at the centre is twice the angle subtended by the arc at any other point on the circumference of the circle.

Maths Quiz (Geometry) for CTET Exam 2016_50.1 
∴∠BOC=2∠BAC 
=2×60° 
=120° )

Q2. In a triangle, an exterior angle equals the sum of the two interior- 
(a) Two right angles 
(b) Two acute angles 
(c) Two interior opposite angles 
(d) Adjacent angles 
( In a triangle an exterior angle equals the sum of the two interior opposite angles)

Q3. If two cubes of dimensions 2 cm by 2 cm by 2 cm are placed side by side, what would be the dimensions of the resulting cuboid?
(a) 4, 2, 2
(b) 4, 3, 2
(c) 4, 4, 2
(d) 4, 1. 2 
( Length of cuboid = 2 + 2 = 4 cm 
Breadth of cuboid = 2 cm
Height of cuboid = 2 cm )

Maths Quiz (Geometry) for CTET Exam 2016_60.1

Q4. The number of triangles in the given figure is-
  
Maths Quiz (Geometry) for CTET Exam 2016_70.1

(a) 5
(b) 6
(c) 9
(d) 10 
(The total number of triangles are 10)

Q5. The measure of an angle is twice the measure of its supplementary angle. Then, its measure is- 
(a) 120°
(b) 60°
(c) 100°
(d)  90° 
( Let the angle be x, then its supplementary be (180° – x). 
∴x=2(180°-x) 
⇒3x=360° 
⇒x=120° )

Q6. Lines l and m intersect at O, forming angles as shown in figure. If x = 45° , then values of y, z and u are- 
Maths Quiz (Geometry) for CTET Exam 2016_80.1

(a) 45°, 135°, 135°
(b) 135°, 135°, 45°
(c) 135°, 45°, 135°
(d) 115°, 45°, 115° 
( x = z [∴ Vertically opposite angles]
⇒  x = 45° ⇒ z = 45°
Also, y + x = 180°  [∴ Linear pair]
y = 180° – 45° ⇒ y = 135°
Also y = u
[∴ Vertically opposite angles]
u = 135° )

Q7. In figure, determine the value of y.

Maths Quiz (Geometry) for CTET Exam 2016_90.1

(a) 25°
(b) 35°
(c) 15°
(d) 40°
(Since OA and OB are opposite rays.
⇒ ∠AOC+∠COF+∠FOB=180°
⇒ 5y + 5y + 2y = 180° 
⇒ 12y = 180°
⇒ y=(180°)/12=15°) 

Q8. In the given figure if PQ∥RS,∠QPT=115° and ∠PTR=20° then ∠SRT is-
Maths Quiz (Geometry) for CTET Exam 2016_100.1
(a) 155° 
(b) 150°
(c) 135°
(d) 95°
( Since, ∠QPL+∠PLR=180°       [∴ Linear pair]
Maths Quiz (Geometry) for CTET Exam 2016_100.1
⇒ ∠PLR=180°-115°=65°
And ∠RLP=∠LRT+∠RTL
⇒ ∠LRT=∠RLP-∠RTL
= 65° – 20° = 45°
Also, ∠SRT+∠LRT=180°
⇒ ∠SRT=180°-∠LRT=180°-45°=135° 
∴ ∠SRT=135° )

Q9. AB and CD are two parallel lines. PQ cuts AB and CD at E and F, respectively. EL is the bisector of ∠EFB . If ∠LEB=35°, then ∠CFQ is-  
(a) 130°
(b) 85°
(c) 110°
(d) 95°
( Given ∠LEB=35°
Maths Quiz (Geometry) for CTET Exam 2016_120.1

⇒ ∠FEB=2×∠LEB=70°
⇒ ∠CFE=∠FEB=70°  [∴ Alternate angles]
∴ ∠CFQ=180°-∠CFE=180°-70°=110° )

Q10. AB and CD are two parallel lines. The points B and C are joined such that ∠ABC=65°. A line CE is drawn making angle of 35° with the line CB, EF is drawn parallel to AB, 3 as shown in figure, then ∠CEF is- 
Maths Quiz (Geometry) for CTET Exam 2016_130.1
(a) 160°
(b) 155°
(c) 150°
(d) 145°
(Since, AB∥CD
⇒ ∠BCD=∠ABC=65°
⇒∠ECD=65°-∠BCE 
=65°-35°=30° 
Now, ∠CEF+∠ECD=180° [∴ Linear pair]
∴ ∠CEF=180°-30°=150° )


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