The sum of the parallel sides of a trapezium is 12.4 cm. If the distance between the parallel sides is 3.5 cm, what is the area of this trapezium?
1). 43.4 sq. cm
2). 86.8 sq. cm
3). 130.2 sq. cm
4). 21.7 sq. cm
A motorcycle wheel makes 5000 revolutions in moving 13.2 km. find the diameter of the wheel?
The tent of a circus is conical in shape. The radius of its base is 5 metres. If the height of the tent is 12 metres then how much canvas will be needed for the tent?
1). 204 \(\frac{2}{7}\) sqm.
2). 188 \(\frac{4}{7}\) sqm.
3). 930 sqm.
4). 503.34 sqm.
Find the diameter of a sphere whose surface area is 100π cm2
1). 5 cm
2). 7 cm
3). 12 cm
4). 8 cm
What will be the ratio of the surface area of a sphere and the curved surface area of the cylinder circumscribing the sphere?
1). 1 ∶ 2
2). 1 ∶ 1
3). 2 ∶ 1
4). 2 ∶ 3