Vyas completed 1/5th of his assessment on Monday and 3/4 of it on Tuesday. How much of his assessment is yet to be completed?

\frac{1}{20}

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\frac{19}{20}

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\frac{3}{20}

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\frac{4}{9}

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Solution

The correct option is A $\frac{1}{20}$
Total completion of assessment on Monday and Tuesday
= $\frac{1}{5} + \frac{3}{4} = \frac{(4 \times 1) + (5 \times 3)}{20} = \frac{4 + 15}{20} = \frac{19}{20}$
Thus, part of the assessment yet to be completed
= $1 - \frac{19}{20} = \frac{20 - 19}{20} = \frac{1}{20}$

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Vyas completed 1/5th of his assessment on Monday and 3/4 of it on Tuesday. How much of his assessment is yet to be completed?

The correct option is A 120Total completion of assessment on Monday and Tuesday = 15+34=(4×1)+(5×3)20=4+1520=1920 Thus, part of the assessment yet to be completed = 1−1920=20−1920=120