Q. 164.4( 5 Votes )

The diameter of f

Answer :

Given: d1 = 80 cm


d2 = 2 m


To find: Number of revolutions by rear wheel.


Explanation:


Diameter of front wheels = d1 = 80 cm


Diameter of rear wheels = d2 = 2 m = 200 cm


Let r1 be the radius of the front wheels = r1 = 80/2 = 40 cm


Let r2 be the radius of the rear wheels = r2 = 200/2 = 100 cm


Now, Circumference of the front wheels = 2πr1


= 2 × (22/7) × 40


= 1760/7 cm


Circumference of the rear wheels = 2πr2 = 2 × (22/7) × 100 = 4400/7 cm


No. of revolutions made by the front wheel = 1400


Distance covered by the front wheel = 1400 × (1760/7) = 352000 cm


Number of revolutions made by rear wheel in covering a distance in which the front wheel makes 1400 revolutions =


=



= 560 revolutions.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Area Related to Circles- Important Formula and ConceptsArea Related to Circles- Important Formula and ConceptsArea Related to Circles- Important Formula and Concepts59 mins
Introduction to Linear Equations in Two VariablesIntroduction to Linear Equations in Two VariablesIntroduction to Linear Equations in Two Variables62 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

The cost of fenciRS Aggarwal - Mathematics