What is the cost of fencing a circular park whose area is 12,474 m2, if the cost of building the fence is Rs. 250 per metre?
1). Rs. 99,000
2). Rs. 83,940
3). Rs. 78,420
4). Rs. 95,500
If the radius of a circle is increased by 15% its area increases by _____.
1). 30 percent
2). 32.25 percent
3). 15 percent
4). 16.125 percent
A right circular solid cylinder has radius of base 7 cm and height is 28 cm. It is melted to form a cuboid such that the ratio of its side is 2 ∶ 3 ∶ 6. What is the total surface area (in cm2) cuboid?
1). 72 × (1078/9)2/3
2). 36 × (2156/9)2/3
3). 72 × (2156/9)2/3
4). 36 × (1078/3)2/3
What is the area of a triangle, having perimeter 32 cm, one side 11 cm and difference of other two sides 5 cm?
1). 8√30 sq cm
2). 5√35 sq cm
3). 6√30 sq cm
4). 8√2 sq cm
Find the area of triangle whose base in 20 cm and height is 24 cm
1). 120 cm2
2). 240 cm2
3). 480 cm2
4). 360 cm2