An ice-cream vendor sold 6005 ice-creams on Tuesday, 1540 ice-creams on Wednesday, and 1003 ice-creams on Thursday. How many ice-creams did he sell in three days?
Jamila is watching a TV show which started at ^@11^@ o'clock in the morning. If the show lasts for one and half hours then at what time will the show end?
A tank of water contains ^@90 \space l \space 250 \space ml^@ of water. There's a hole in the bottom of the tank through which ^@3 \space l^@ and ^@510 \space ml^@ water leaks away every hour. How many liters of water is left in the tank after ^@6^@ hours?