A quadrilateral whose all sides are equal, opposite angles are equal
and the diagonals bisect each other at right angles is a __________.
(a) rhombus (b) parallelogram (c) square (d) rectangle
If two adjacent angles of a parallelogram are (5x – 5)° and (10x +35)°, then the ratio of these angles is
(a) 1 : 3 (b) 2 : 3 (c) 1 : 4 (d) 1 : 2
What is the sum of all angles of a hexagon?
(a) 180° (b) 360° (c) 540° (d) 720°
n the following question, different alphabets stand for various symbol as indicated below :
Addition : O Substation : M Multiplication : A
Division : Q Equal to : X Greater than : Y
Less than : Z
Out of the four alternatives given in the question, only one is correct/
(A)1 O 1 Q 1 M 1 Y 3 Q 1 (B) 2 Q 1 O 20 A 1 Z 6 A 4
(C) 3 O 2 O 10 Q 2 X 10 A 2 (D) 5 Q 5 A 5 O 5 Y 5 A 2
What is the sum of all the angles of a pentagon?
(a) 180° (b) 360° (c) 540° (d) 720°
How many non-overlapping triangles can we make in a n-gon
(polygon having n sides), by joining the vertices?
(a) n –1 (b) n –2 (c) n –3 (d) n –4
What is the maximum number of obtuse angles that a quadrilateral can have ?
(a) 1 (b) 2 (c) 3 (d) 4
it being given that : > denotes +, < denotes -, + denotes ÷, - denotes =, = denotes ‘less than’ and ×denotes ‘greater than’, find which of the following is a correct statement. (A) 3 + 2 < 4 = 9 + 3 < 1 (B) 3 > 2 > 4 = 18 + 3 < 2 (C) 3 > 2 < 4 × 8 + 4 < 2 (D) 3 + 2 < 4 × 9 + 3 < 3
Which of the following is a property of a parallelogram?
(a) Opposite sides are parallel.
(b) The diagonals bisect each other at right angles.
(c) The diagonals are perpendicular to each other.
(d) All angles are equal.