MCQOPTIONS
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MCQOPTIONS
| 1. |
If the radius of a rolling circle is r and radius of a direct circle is R. And R = kr and K is an integer, how many cusps does the epicycloid? |
| A. | R-r |
| B. | 1 |
| C. | k |
| D. | r/k |
| Answer» D. r/k | |