Q:

Out of total capital required to start a business A invested 30 %, B invested $$2\over 5$$ and C invested the remaining capital. At the end of one-year sum of Rs. 4000 is earned as a profit which is 20% of the capital given by B, then find how much C invested in the business? 

• 1
  ₹ 25000
• 2
  ₹ 10000
• 3
  ₹ 15000
• 4
  ₹ 12450