Question

12. If 240 boys need 10 litres of ink for
75 days, then how long will it last if
there be 10 boys more?​

Answer 1

Answer:

For 10 days= 180.

Step-by-step explanation:

10 litres of ink for 75 days for 240 boys.

Let x for 10 days

$x \times 10 = \frac{240 \times 75}{10}$

$x = \frac{240 \times 75}{10 \times 10}$

$x = \frac{1800}{10}$

$x = \frac{180}{1}$

$x = 180$

Answer 2

Answer:

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Step-by-step explanation:

240×10= 2400 Liters Per Day.

so,In 75 Days They Require = 2400×75 Litre

Now,10 More Boys Came.

so,The No. of Boys = 240+10=250

250×10= 2500 Liters per Day.

So,The ink Will Last= 2400×75/2500

= 1,80,000/2500

= 72 Days.