SCERT D. El. Ed 2026 - General Mathematics

SCERT D. El. Ed 2026 – General Knowledge MCQs

SCERT D. El. Ed 2026 – General Knowledge MCQs

Geometry & Data Analysis

Q1. The sum of three angles of a triangle is
  • A. 90°
  • B. 180°
  • C. 270°
  • D. 360°
Correct Answer: B. 180°
Q2. Each angle of an equilateral triangle is
  • A. 45°
  • B. 60°
  • C. 90°
  • D. 120°
Correct Answer: B. 60°
Q3. An angle of 90° is called
  • A. acute
  • B. right
  • C. obtuse
  • D. straight
Correct Answer: B. right
Q4. Two angles whose sum is 90° are called
  • A. supplementary
  • B. complementary
  • C. adjacent
  • D. vertical
Correct Answer: B. complementary
Q5. The complement of 35° is
  • A. 45°
  • B. 55°
  • C. 65°
  • D. 145°
Correct Answer: B. 55°
Q6. The supplement of 110° is
  • A. 60°
  • B. 70°
  • C. 80°
  • D. 90°
Correct Answer: B. 70°
Q7. In a right triangle, if two legs are 6 cm and 8 cm, the hypotenuse is
  • A. 10 cm
  • B. 12 cm
  • C. 14 cm
  • D. 16 cm
Correct Answer: A. 10 cm
Q8. Sum of angles of a quadrilateral is
  • A. 180°
  • B. 270°
  • C. 360°
  • D. 540°
Correct Answer: C. 360°
Q9. The diameter of a circle is twice the
  • A. circumference
  • B. radius
  • C. chord
  • D. arc
Correct Answer: B. radius
Q10. The longest chord of a circle is the
  • A. radius
  • B. arc
  • C. diameter
  • D. sector
Correct Answer: C. diameter
Q11. Area of a square of side 7 cm is
  • A. 14 cm²
  • B. 28 cm²
  • C. 49 cm²
  • D. 56 cm²
Correct Answer: C. 49 cm²
Q12. Perimeter of a rectangle of length 12 cm and breadth 8 cm is
  • A. 20 cm
  • B. 24 cm
  • C. 40 cm
  • D. 96 cm
Correct Answer: C. 40 cm
Q13. Area of a circle with radius 7 cm is (use π = 22/7)
  • A. 44 cm²
  • B. 154 cm²
  • C. 196 cm²
  • D. 49 cm³
Correct Answer: B. 154 cm²
Q14. Circumference of a circle with diameter 14 cm is (π = 22/7)
  • A. 22 cm
  • B. 44 cm
  • C. 88 cm
  • D. 154 cm
Correct Answer: B. 44 cm
Q15. Area of a triangle with base 10 cm and height 6 cm is
  • A. 16 cm²
  • B. 30 cm²
  • C. 60 cm²
  • D. 120 cm²
Correct Answer: B. 30 cm²
Q16. A triangle with all sides equal is called
  • A. scalene
  • B. isosceles
  • C. equilateral
  • D. right-angled
Correct Answer: C. equilateral
Q17. A quadrilateral with all sides equal and all angles 90° is a
  • A. rectangle
  • B. rhombus
  • C. square
  • D. parallelogram
Correct Answer: C. square
Q18. Diagonals of a rhombus bisect each other at
  • A. 30°
  • B. 45°
  • C. 60°
  • D. 90°
Correct Answer: D. 90°
Q19. Angle on a straight line is
  • A. 90°
  • B. 180°
  • C. 270°
  • D. 360°
Correct Answer: B. 180°
Q20. Area of a parallelogram with base 8 cm and height 5 cm is
  • A. 13 cm²
  • B. 20 cm²
  • C. 40 cm²
  • D. 80 cm²
Correct Answer: C. 40 cm²
Q21. In a Pythagorean triple (3, 4, c), the value of c is
  • A. 5
  • B. 6
  • C. 7
  • D. 12
Correct Answer: A. 5
Q22. Area of a square is 144 cm². Its side is
  • A. 10 cm
  • B. 11 cm
  • C. 12 cm
  • D. 14 cm
Correct Answer: C. 12 cm
Q23. Number of vertices in a triangle is
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Correct Answer: B. 3
Q24. A quadrilateral having one pair of parallel sides is called
  • A. parallelogram
  • B. rectangle
  • C. trapezium
  • D. rhombus
Correct Answer: C. trapezium
Q25. In an isosceles triangle if vertex angle is 80° each base angle is
  • A. 40°
  • B. 50°
  • C. 60°
  • D. 70°
Correct Answer: B. 50°
Q26. Area of trapezium with parallel sides 10 cm, 6 cm and height 4 cm is
  • A. 20 cm²
  • B. 32 cm²
  • C. 40 cm²
  • D. 64 cm²
Correct Answer: B. 32 cm²
Q27. Number of diameters that can be drawn in a circle is
  • A. 1
  • B. 2
  • C. Many
  • D. None
Correct Answer: C. Many
Q28. Each interior angle of a square is
  • A. 60°
  • B. 90°
  • C. 120°
  • D. 180°
Correct Answer: B. 90°
Q29. Vertically opposite angles are
  • A. always equal
  • B. supplementary
  • C. complementary
  • D. never equal
Correct Answer: A. always equal
Q30. Perimeter of an equilateral triangle of side 9 cm is
  • A. 18 cm
  • B. 24 cm
  • C. 27 cm
  • D. 36 cm
Correct Answer: C. 27 cm

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