A week has 7 days, a day has 24 hours, and an hour has 60 minutes. minutes.
62. How many months have 31 days:
(A) 6
(B) 7
(C) 8
(D) 5
Answer:
(B) 7
Explanation:
On the Gregorian calendar, there are exactly 7 months that have 31 days: January, March, May, July, August, October, and December.
63. The longest chord of a circle is called:
(A) Radius
(B) Arc
(C) Diameter
(D) Circumference
Answer:
(C) Diameter
Explanation:
A chord is any line segment connecting two points on a circle. The longest possible chord is the one that passes directly through the center, known as the diameter.
64. A six sided polygon is:
(A) Quadrilateral
(B) Pentagon
(C) Octagon
(D) Hexagon
Answer:
(D) Hexagon
Explanation:
In geometry, a polygon with exactly six straight sides and six angles is called a hexagon.
65. An angle whose measure is more than 180° but less than 360° is called.
(A) Complete angle
(B) Reflex angle
(C) Straight angle
(D) Zero angle
Answer:
(B) Reflex angle
Explanation:
A reflex angle is mathematically defined as any angle that is strictly greater than (a straight line) and less than (a full circle).