Question

A drum is 3/4 full. 30 l is taken out. Now it is 7/12 full Find capacity of drum.

Answer 1

Answer:

A drum of petrol is 34 full. when 30 litres of petrol are drawn from it, it is 712 full. Find the capacity of the drum. x=30*6=180 litres.

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Answer 2

$\huge\mathfrak\blue{Answer:}$

Given:

• Given that a drum is 3/4 full
• 30 litres are taken out
• After taking out 30 litres, 7/12 of drum is left

To Find:

• To find the capacity of drum.

Solution:

Let the capacity of drum = x

According to the Question

$= > \dfrac{3}{4}x - 30 = \dfrac{7}{12}x$

$= > \dfrac{3}{4}x - \dfrac{7}{12} x = 30$

Taking 12 as LCM, we get

$= > \dfrac{(3x \times 3) - 7x}{12} = 30$

$= > \dfrac{(9x - 7x)}{12} = 30$

$= > \dfrac{2x}{12} = 30$

$= > 2x = 30 \times 12$

$= > x = 30 \times 6$

$= > x = 180$

The capacity of drum is 180 litres