How many men will be required to plough 50 acres of land in 10 days if 15 men required 6 days to plough 10 acres of land?

45 40 55 50

45

Formula to be used here, ⇒ \(\frac{M_1\;×\;}{M_2\;×\;D_2}\) = \(\frac{W_1}{W_2}\) where, M = No. of Men, D = No. of Days, W = Work, ⇒ Putting values in the formula, ⇒ \(\frac{M_1\;×\;10}{15\;×\;6}\) = \(\frac{50}{10}\) ⇒ \( { M}_{1 } \)  = 45.