Question

1 15. A water tank can hold 506-1/4 litres of water. How much water is contained in the tank when it is 2/5 full? ​

Answer 1

Answer:

$202 \frac{1}{2} l$

Step-by-step explanation:

$\mathtt \red{capacity \: of \: water \: tank} = 506 \frac{1}{4} l$$= \frac{2}{5} \times 506 \frac{1}{4} l \\ \\ = \frac{2}{5} \times \frac{4 \times 506 + 1}{4} \\ \\ = \frac{2}{5} \times \frac{2025}{4} \\ \\ = \frac{4050}{20} \\ \\ = \frac{405}{2} \\ \\ = 202.5$$\mathrm \blue{ =202 \frac{1}{2}}\:l \:answer$

Answer 2

Answer:

30 is the correct answer

Step-by-step explanation:

56 + 1 / 4 =

4 × 56 / 4 + 1 / 4 =

224 + 1 / 4 =

225 / 4 liter

225 / 4 × ( 8 / 15 ) =

8 × 225 / ( 4 × 15 ) =

1800 / 60 = 30 litres

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