 
			 
			MCQOPTIONS
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				| 1. | If R is the reduction ratio and r is a fractional reduction in area, then the relationship between R & r will be given as __________ | 
| A. | R=r | 
| B. | R=1-r | 
| C. | R=1/(1-r) | 
| D. | R=1/r | 
| Answer» D. R=1/r | |