alleryThe diameter of a wheel is 70 cm. The number of revolutions to go 11 km is
A2500
B5000
C7500
D10000
Answer & Solution
Correct answer: B. 5000
1. Circumference = pi × d = (22/7) × 70 = 220 cm = 2.2 m.
2. Revolutions = 11000 / 2.2.
3. = 5000.
_Source: syllabus Mathematics, Ch 11 "Areas Related to Circles", §11.2_
Keep practising Mensuration: Surface Areas & Volumes
Browse all Mensuration: Surface Areas & Volumes questions for Andhra Pradesh SSC (Class 10), or explore more Mathematics topics.
Related questions
A hollow cylindrical pipe has outer radius 4 cm, inner radius 3 cm and height 10 cm. The vA cylindrical bucket of height 14 cm and base radius 7 cm is full of water and is poured iA solid wooden toy has 4 cm cube + 4 cm hemispherical depression. The volume of wood isA medicine capsule is in the shape of a cylinder of length 14 mm and radius 2.5 mm with twThree solid metallic spheres of radii 6 cm, 8 cm and 10 cm are melted to form a single sphA pencil sharpened at one end represents a combination of two shapes:A solid is composed of a cone and a hemisphere of equal radius. The ratio of the volumes oA sphere of radius r is inscribed in a cube. The ratio of the volume of the sphere to the