In full depth 140 involute system, the smallest number of teeth in a pinion which meshes with rack without interference is

In full depth 140 involute system, the smallest number of teeth in a pinion which meshes with rack without interference is Correct Answer 32

The minimum number of teeth on the pinion in order to avoid interference for 14.50 full depth involute are 32 and for 200 full depth involute teeth are 18.
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