If a worker earns Rs. $1\,500$ in $5$ days, how much will he earn in $18$ days at the same rate?

If a worker earns Rs. $1\,500$ in $5$ days, how much will he earn in $18$ days at the same rate?
  1. Rs. $4\,500$
  2. Rs. $5\,000$
  3. Rs. $5\,400$
  4. Rs. $6\,000$

Solution

Per day $= \dfrac{1500}{5} = 300$. In $18$ days $= 18 \times 300 = $ Rs. $5\,400$.

Asked in: IMO

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