1. The reciprocal of the sum of the reciprocals of 8/7 and 5/6 is:
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By: anil on 05 May 2019 02.15 am
Sum of the reciprocals of 8/7 and 5/6 = $$frac{7}{8} + frac{6}{5}$$ = $$frac{7(5)+6(8)}{40} = frac{35+48}{40}$$ = $$frac{83}{40}$$ => Reciprocal of 83/40 = $$frac{40}{83}$$ => Ans - (D)
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