Elitmus Exam Numerical Ability Averages

The average age of 11 players of a cricket team decreases by 2 months when 2 new players are included in the team replacing two players of age 17 and 20 years.the average age of the new player is

Read Solution (Total 2)

Sum of age of two players = 17 + 20 = 37 years

Decreasing age of players = 11×2 = 22 months

Sum of age of two new players = 37 yrs - 22 months = 35 yrs. 2 months

Average = 17 years 7 month
5 years agoHelpfull: Yes(2) No(0)

Age of two new players= Age of replaced two players -decrease in avg(No. of players)
Age of two new players= 17+20 - 2/12(11)
Age of two new players= 37-1/6*11
=211/6
so avg will be=211/12=17 years 7 month
2 years agoHelpfull: Yes(0) No(0)

Elitmus Other Question

there were 35 students in a hostel.if the no of students are increased by 7 the expenditure on food increases by 42 per day while the average expenditure of students is reduced by re1.what was the initial expenditure on food per day. the average age of a husband and his wife was 23 years at the beginning of their marriage.after 5 years they have a 1 year old child.the average age of the family of three when the child was born will be