Chain-Rule - 02

03. 49 pumps can empty a reservoir in days, working 8 hours a day. If 196 pumps are used for 5 hours each day, then the same work will be complete in ?

• 12 days
• 2
$\text{2}\frac{1}{2}$
days
• 3
$\text{2}\frac{3}{5}$
days
• 43 days

04. 3 men or 6 women can do a piece of work in 20 days. In how days will 12 men and 8 women do the same work ?

• 1
• 2
• 3
$\text{4 days}$
• 4
$\text{5 days}$
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