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Sum of the reciprocals of 2/9 and 7/10
= $$\frac{9}{2} + \frac{10}{7}$$
= $$\frac{9(7)+10(2)}{14} = \frac{63+20}{14}$$
= $$\frac{83}{14}$$
=> Reciprocal of 83/14 = $$\frac{14}{83}$$
=> Ans - (A)
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