MCQOPTIONS
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| 1. |
The inner and outer circumference of a circular ring is 22 cm and 44 cm respectively. What is the thickness of the ring ? |
| A. | 2.5 cm |
| B. | 1.5 cm |
| C. | 5.5 cm |
| D. | 3.5 cm |
| Answer» E. | |