 
			 
			MCQOPTIONS
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				| 1. | A Spring is made of wire whose cross-section is a square of 15 mm side. Inner diameter of spring is 60 mm then outer diameter will be _________ | 
| A. | 45 | 
| B. | 75 | 
| C. | 90 | 
| D. | 80 | 
| Answer» D. 80 | |