A circular path of 13 m radius has marginal walk 2 m wide all round it. Find the cost of leveling the walk at 25p per m2?
A. Rs.45
B. Rs.78
C. Rs.44
D. Rs.40
A paper is in a square form whose one side is 20 cm. Two semi circles are drawn on its opposites as diameters. If these semi circles are cut down what is the area of the remaining paper?
A. (400 – 100π) cm2</sup
B. (400 – 2π) cm2</sup
C. (400 – 200π) cm2</sup
D. 200π cm2</sup
The area of a sector of a circle of radius 5 cm formed by an arc of length 3.5 cm is _____?
A. 0.35 cm2
B. 17.5 cm2
C. 8.75 cm2
D. 55 cm2
The area of sector of a circle whose radius is 12 metro and whose angle at the center is 42° is?
A. 26.4 m2
B. 39.6 m2
C. 52.8 m2
D. 79.2 m2
Which one of the following has a greater perimeter than the rest?
A. A square with an area of 36 sq.cm
B. An Equilateral Triangle with a side of 9 cm
C. A rectangle with 10 cm as length and 40 sq.cm as area
D. A circle with a radius of 4 cm
In a Circle of Radius 5 cm if AB and AC are two equal chords of length 6cm each, then the length of chord BC is ____?
A. 24/5 cm
B. 12/5 cm
C. 7/5 cm
D. None of these
If the length of diagonal AC of a square ABCD is 5.2 cm then area of the square ABCD is ____?
A. 15.12 sq.cm
B. 13.52 sq.cm
C. 12.62 sq.cm
D. 10 sq.cm
The Length of a plot is four times is breadth. A playground measuring 1200 square meters occupies a third of the total area of the plot. What is the length of the plot in meters?
A. 20
B. 30
C. 60
D. None of these
The length and breadth of play ground are 36 m and 21 m respectively. Flag staffs are required to be fixed on all along the boundary at a distance of 3 m part. The number of flag staffs will be ______?
A. 37
B. 38
C. 39
D. 40
