15 persons working 6 hours per day earn ₹900. How much money will 20 persons earn, working 10 hours per day?
Answer & explanation
Correct answer: option 3
Formula to be used here,
⇒ \(\frac{M_1\;×\;H_1}{M_2\;×\;H_2}\) = \(\frac{E_1}{E_2}\)
where, M = No. of Men, H = No. of hours, E = Earnings,
⇒ Putting values in the formula,
⇒ \(\frac{15\;×\;6}{20\;×\;10}\) = \(\frac{900}{E_2}\)
⇒ \( { E}_{2 } \) = Rs. 2000.