MCQOPTIONS
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MCQOPTIONS
| 1. |
The HCF and LCM of two numbers are 15 and 420 respectively. If the sum of the numbers is 165, what is the sum of their reciprocals? |
| A. | \(\frac{2}{105}\) |
| B. | \(\frac{5}{28}\) |
| C. | \(\frac{11}{420}\) |
| D. | \(\frac{3}{140}\) |
| Answer» D. \(\frac{3}{140}\) | |