Discussion

Explanation:

When M₁ men can complete W₁ work in D₁ days while M₂ men can complete W₂ work in D₂ days, then

∴ $\frac{{\mathrm{M}}_1{\mathrm{D}}_1}{{\mathrm{W}}_1}$ = $\frac{{\mathrm{M}}_2{\mathrm{D}}_2}{{\mathrm{W}}_2}$

Now, 4 men can reap 80 hectares in 48 days, and 24 men reap 'x' hectares in 30 days.

⇒ $\frac{4\times 48}{80}$ = $\frac{24\times 30}{x}$

⇒ $\frac{4\times 48}{24\times 30}$ = $\frac{80}{x}$

⇒ x = 300

Hence, 300.

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