Maths Questions for DSSSB Exam : 1st August 2018 (Solutions)_00.1
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Maths Questions for DSSSB Exam : 1st August 2018 (Solutions)

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Dear Students!!! There is most general as well as a scoring section in all the competitive entrance examinations in the teaching field i.e “Mathematics”.Because in this section only one thing is work i.e your accuracy and that could be nourished with the daily practice. So, for this, we are providing you the daily quiz for all teaching exams i.e CTET Exam 2018, DSSSB Exam & STET Exam.
Q1. In ∆ABC and ∆DEF, AB = EF, BC = DE and ∠B = ∠E = 90°. Then ∆ABC ≅ ∆FED by the criterion
(a) SSS
(b) SAS
(c) RHS
(d) ASA
Q2. The measure of each interior angle of a regular convex polygon is 150°. The number of slides of the polygon is 
(a) 8
(b) 10
(c) 12
(d) 15
Q3. The sum of all interior angles of a polygon is 1440°. The number of sides of the polygon is
(a) 8
(b) 9
(c) 10
(d) 12
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Q5. If one angle of a triangle is 130°, then the angle between the bisectors of the other two angles is
(a) 65°
(b) 115°
(c) 130°
(d) 155°
Q6. A cyclist at ‘C’ is cycling towards ‘B’. How far will he have to cycle from C before he is equidistant from both A and B?
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(a) 4 km
(b) 3 km
(c) 6 km
(d) 5 km
Q7. The sum of all interior angles of a regular convex polygon is 1440°. The measure of each of its interior angles is
(a) 72°
(b) 108°
(c) 144°
(d) 150°
Q8. In ∆PQR, side QR is produced to a point S, and exterior angle PRS = 100°. If RP = RQ, then measure of ∠PQR is 
(a) 50°
(b) 70°
(c) 75°
(d) 80°
Q9. Which of the following is a reflex angle?
(a) 54°
(b) 195°
(c) 172°
(d) 90°
Q10. A square sheet ABCD when rotated on its diagonal AC as its axis of rotation sweeps a 
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(a) cone 
(b) spindle 
(c) cylinder
(d) trapezium
Solutions
S1. Ans.(b)
Sol. In ∆ABC and ∆DEF,
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BC = DE, AB = EF and ∠B = ∠E
If two sides and the included angle of one triangle are equal to the corresponding sides and the included angle of another triangle, then the triangles are congruent by the SAS criterion.
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S4. Ans.(c)
Sol. A convex polygon is a polygon that has no portions of their diagonals in their exteriors.
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S9. Ans.(b)
Sol. An angle that is greater than 180° is a reflex angle.
S10. Ans.(b)
Sol. When a square is rotated on its diagonal as its axis of rotation, the spindle shape is formed.
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