TS Polycet (Polytechnic) 2020 Previous Question Paper with Answers And Model Papers With Complete Analysis

Q) Angle in a major segment is
A) an obtuse angle
B) an acute angle
C) right angle
D) none

View Answer
B) an acute angle
Explanation: an acute angle

Q) The circumference of a circle is 100 cm, then the side of a square inscribed in the circle is
A) \frac1\pi
B) \frac{5\sqrt2}\pi
C) \frac{50\sqrt2}\pi
D) \frac{50}\pi

View Answer
C) \frac{50\sqrt2}\pi
Explanation: The circumference of a circle = 100 cm
2πr = 100
R = 50/π
(x)2+(x)2 = (2r)2
2x2=4r2
X2 = 2r2
X=√2r
= 50√ 2/π

Q) Angle between the tangent, and radius drawn through the point of contact is
A) 30°
B) 45°
C) 60°
D) 90°

View Answer
D) 90°
Explanation: 90°

Q) The ratio of the corresponding sides of two similar triangles is 5 : 3, then the ratio their areas
A) 5 : 3
B) 3 : 5
C) 6 : 10
D) 25 : 9

View Answer
D) 25 : 9
Explanation: Ratio of their areas = (5)2 : (3)2 = 25 : 9

Q) From the figure x = _____________

A) 10
B) 15
C) 12
D) 25

View Answer
B) 15
Explanation: x = 15

Q) △ABC ~ △PQR; \frac{AB}{PQ}=\frac{BC}{QR}=\frac{AC}{PR} = k, then k value
A) k = 1
B) k > 1
C) k < 0
D) k = 0

View Answer
A) k = 1
Explanation: △ABC ~ △PQR;
\frac{AB}{PQ}=\frac{BC}{QR}=\frac{AC}{PR} = k, then k = 1

Q) A line which intersects the given circle at two distinct points is called
A) tangent
B) secant
C) radius
D) circle

View Answer
B) secant
Explanation: secant

Q) In the figure, ∠ACB = _______________

A) 60°
B) 90°
C) 30°
D) 110°

View Answer
B) 90°
Explanation: ∠ACB = 90.°

Q) △ABC ~ △PQR, then y + z =__________________

A) 4+√3
B) 3+4√3
C) 4+3√3
D) 4-√3

View Answer
B) 3+4√3
Explanation: y + z = 4 √3 + 3

Q) In the figure, x = _______________

A) 60°
B) 100°
C) 110°
D) 120°

View Answer
D) 120°
Explanation: x = 120°
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