Mechanical Engineering > GATE 2017 SET-1 > Quantitative Aptitude
A right-angled cone (with base radius 5 cm and height 12 cm), as shown in the figure, is rolled on the ground keeping the point P fixed until the point Q (at the base of the cone, as shown) touches the ground again. By what angle (in radians) about P does the cone travel?
A
5π/12
B
5π/24
C
24π/5
D
10π/13

Explanation

Correct : d

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