The average of 11 players in a cricket team is decreased by 2 months when two of them aged 17 years and 20 years are replaced by two new players. The average age of the new players is?
  • 17 years 7 month
The average height of 35 girls in a class was calculated as 160 cm. It was later found that the height of one of the girls in the class was wrongly written as 144 cm, whereas her actual height was 104 cm. What is the actual average height of the girls in the class? (rounded off to 2 digits after decimal)
  • 158.86 cm
The average mark of a student in 4 subjects is 75. If the student obtained 80 marks in the fifth subject, then the new average is?
  • 76