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What will come in place of question mark (?) in the following questions ?$$8\frac{2}{5}\times 5\frac{2}{3}+?=50\frac{1}{5}$$
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By: anil on 05 May 2019 04.05 pm
Let the number to replace the question mark be equal to $$X$$ So, $$8frac{2}{5} imes 5frac{2}{3}+X=50frac{1}{5}$$
Or, $$frac{42}{5} imes frac{17}{3} + X = frac{251}{5}$$
So, $$X = frac{251}{5} - frac{714}{15} = frac{753 - 714}{15} = frac{39}{15}$$ This equals $$frac{13}{5} = 2 frac{3}{5}$$
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Or, $$frac{42}{5} imes frac{17}{3} + X = frac{251}{5}$$
So, $$X = frac{251}{5} - frac{714}{15} = frac{753 - 714}{15} = frac{39}{15}$$ This equals $$frac{13}{5} = 2 frac{3}{5}$$