Geometry (Railway Maths) (Part – IV)Total Questions: 501. What is the measure of each interior angle of a regular octagon? [Group D 28/09/2022 (Morning)](a) 140°(b) 130°(c) 135°(d) 125°Correct Answer: (c) 135°Solution:Octagon has 8 sides Exterior angle = 360/8 = 45° Interior angle = 180° - 45° = 135°2. If the measures of the angles of a quadrilateral taken in order are in the ratio 1 : 3 : 1 : 3, then the quadrilateral is a: [Group D 28/09/2022 (Evening)](a) trapezium, but not a parallelogram(b) rectangle(c) parallelogram(d) squareCorrect Answer: (c) parallelogramSolution:3. In ΔABC and ΔDEF, if AB = DE, AC = EF and BC = DF, then which of the following is true based on SSS theorem? [Group D 29/09/2022 (Morning)](a) ΔABC ≅ ΔEDF(b) ΔABC ≅ ΔFDE(c) ΔABC ≅ ΔDEF(d) ΔABC ≅ ΔEFDCorrect Answer: (a) ΔABC ≅ ΔEDFSolution:4. The length of each side of a rhombus is 20 cm, and the length of one of its diagonal is 30 cm. Find the length (in cm) of its other diagonal. [Group D 29/09/2022 (Morning)](a) √175(b) 10√7(c) √7(d) 6√7Correct Answer: (b) 10√7Solution:5. Straight line FB is parallel to straight line GD. A is a point on straight line FB and C is a point on straight line GD. E is a point between FB and GD such that <BAE = 118° and <DCE = 112°. What is the measure of 1/2 <AEC? [Group D 29/09/2022 (Afternoon) ](a) 75°(b) 65°(c) 72°(d) 62°Correct Answer: (b) 65°Solution:6. ΔABC ~ΔQPR and (area of ΔABC): (area of Δ PQR) 3 : 2 . If AB = 12 cm , BC = 10 cm, and AC = 9 cm , then the length of QR (in cm) is : [Group D 30/09/2022 (Afternoon) ](a) 8√3(b) 3√6(c) 10 / √3(d) 20 / √3Correct Answer: (b) 3√6Solution:7. Find the answer of given question? [Group D 30/09/2022 (Afternoon) ](a) 50°(b) 105°(c) 75°(d) 120°Correct Answer: (b) 105°Solution:8. In a parallelogram ABCD, if m <A = (3x + 16)° and m < B = (2x + 24)°, then find m<C. [Group D 30/09/2022 (Evening) ](a) 56°(b) 28°(c) 100°(d) 110°Correct Answer: (c) 100°Solution:9. Find the answer of given question? [Group D 06/10/2022 (Morning) ](a) 5.2 cm(b) 4.2 cm(c) 4.8 cm(d) 5.6 cmCorrect Answer: (d) 5.6 cmSolution:10. MNOP is a quadrilateral in which each of its angles is a right angle. Side MN equals side PO and side MP equals side NO and its both diagonals do not intersect at 90°. What type of quadrilateral is MNOP? [Group D 06/10/2022 (Afternoon)](a) Kite(b) Rectangle(c) Square(d) RhombusCorrect Answer: (b) RectangleSolution:Submit Quiz12345Next »