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Q.

The generating point is outside the generating circle for                         

A. cycloid
B. superior trochoid
C. inferior trochoid
D. epicycloid
Answer» B. superior trochoid
Explanation: if the generating point is on the circumference of generating circle then the curve formed may be cycloids or hypocycloids. trochoid is a curve generated by a point fixed to a circle, within or outside its circumference, as the circle rolls along a straight line or a circle. but here given is outside so it is superior trochoid.
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