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Aptitude · Q179

Area

Competitive Exams · Aptitude · question 179

Q179

A small ring of negligible thickness and radius 2 cm moves on a bigger rung of radius 10 cm. How many rotations will the small ring take on the bigger ring to make a complete round ?

A.
5
Answer
B.
6
C.
7
D.
10

Answer: Option A

Solution

Answer: Option A
Solution:
Required number of rotations :
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