When charle visited a chocolate factory, he stole from tin-can some chocolate milk shake that had a 75% concentration of chocolate , He replaced this amount with a cheaper brand of milk shake that had only 25% chocolate concentration .Later during…

When charle visited a chocolate factory, he stole from tin-can some chocolate milk shake that had a 75% concentration of chocolate , He replaced this amount with a cheaper brand of milk shake that had only 25% chocolate concentration .Later during their routine quality analysis , the authorities realisied that the tin-can in the question had only 40% chocolate concentration . what percentage of chocolate milk shake did charle steal from the tin-can ?

If 20 men or 24 women or 40 boys can do a job in 12 days working for 8 hours a day, how many men working with 6 women and 2 boys take to do a job four times as big working for 5 hours a day for 12 days?

**A. **8 men

**B. **12 men

**C. **2 men

**D. **24 men