NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Multiple Choice Questions
Question 19

Question.  19

\(\dfrac{4}{5}\) of 5 kg apples were used on Monday. The next day \(\dfrac{1}{3}\) of what was left was used. Weight (in kg) of apples left now is

(a)

\(\dfrac{2}{7}\)

(b)

\(\dfrac{1}{14}\)

(c)

\(\dfrac{2}{3}\)

(d)

\(\dfrac{4}{21}\)

Detailed Answer with Explanation:

Used on Monday: \(\dfrac{4}{5}\times5=4\) kg, left \(1\) kg. Next day used \(\dfrac{1}{3}\) of \(1\) kg \(=\dfrac{1}{3}\) kg. Left \(1-\dfrac{1}{3}=\dfrac{2}{3}\) kg.

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