The length of a minute hand of a wall clock is 9 cm. What is the area – McqOptions

MCQOPTIONS

1.	The length of a minute hand of a wall clock is 9 cm. What is the area swept (in cm2) by the minute hand in 20 min ? (take π = 3.14)
A.	88.78
B.	84.78
C.	67.74
D.	57.78
Answer» C. 67.74

Discussion

No Comment Found

Related MCQs

In the figure given below, the area of rectangle ABCD is 100 sq cm, O is any point on AB and CD = 20 cm. Then, the area of ΔCOD is
One side of a parallelogram is 8.06 cm and its perpendicular distance from opposite side is 2.08 cm. What is the approximate area of the parallelogram ?
The perimeter of a rectangle having area equal to 144 cm2and sides in the ratio 4 : 9 is
What is the area between a square of side 10 cm and two inverted semi-circular, cross-sections each of radius 5 cm inscribed in the square ?
The area of an isosceles ΔABC with AB = AC and altitude AD = 3 cm is 12 sq cm. What is its perimeter ?
If the area of a rectangle whose length is 5 units more than twice its width is 75 sq units. What is the perimeter of the rectangle?
If the area of a circle is equal to the area of square with side 2√π units, then what is the diameter of the circle ?
If the area of a circle inscribed in an equilateral triangle is 154 sq cm, then what is the perimeter of the triangle ?
If the circumference of two circles are in the ratio 2 : 3, then what is the ratio of their areas ?
If the circumference of a circle is equal to the perimeter of square, then which one of the following is correct ?