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# Ananya had $\dfrac{3}{4}$ L of milk. She used $\dfrac{1}{5}$L to make a cup of tea. How much milk did she have left?(A) $\dfrac{1}{4}L$ (B) $\dfrac{{11}}{{20}}L$ (C) $1\dfrac{1}{4}L$ (D) $\dfrac{1}{2}L$

Last updated date: 13th Jun 2024
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Hint: We need to read the question carefully. Here, quantity of milk is given. And it is to be used to make a cup of tea. So, to find the amount of milk that is left, we have to simply subtract the quantity of milk left from the total quantity of milk Ananya had, thus it can be obtained by simply subtraction.

Remaining quantity of milk should be equal to difference of quantity of milk she had & quantity of milk she used for making tea i.e.,
Remaining quantity of milk= Total quantity of milk she had – Quantity of milk she used to make tea
Given, Ananya had $\dfrac{3}{4}L$ of milk.
$\dfrac{1}{5}L$ of milk is used to make a cup of tea.
$\therefore$ So as stated before , remaining quantity of milk= Total quantity of milk she had – Quantity of milk she used to make tea
= $\dfrac{3}{4} - \dfrac{1}{5}$
$= \dfrac{{15 - 4}}{{20}} = \dfrac{{11}}{{20}}L\left( B \right)$.
Option B is the correct answer.