The ages of the members of four teams are summarized below. Answer the questions about them.Team A: The range of ages is 14 and the mean age is 38.Team B: The range of ages is 11 and the mean age is 41.Team C: The range of ages is 19 and the mean age is 33.Team D: The range of ages is 15 and the mean age is 42.(a) Based on the information above, which team's ages have the least variability?Team ATeam BTeam CTeam D(b) Based on the information above, which team has the oldest members on average?Team ATeam BTeam CTeam D

In a cricket team, the average age of eleven players in 28 years. What is the age of the captain?I. The captain is eleven years older than the youngest player. II. The average age of 10 players, other than the captain is 27.3 years. III. Leaving aside the captain and the youngest player, the average ages of three groups of three players each are 25 years, 28 years and 30 years respectively.Any two of the threeAll I, II and IIIII only or I and III onlyII and III onlyNone of these

The mean of the ages of five friends is 16 years. If three of them are of the same age and theother two are of 14 and 18 years, then the age of each friends having the same age isA. 12 years.B. 16 years.C. 18 years.D. 20 years.9. For the data set 4, 0, 4 and 0, the variance isA. 0B. 1C. 2D. 4

The average age of eleven cricket players is 20 years. If the age of the coach is also included, the average age increases by 10%. The age of the coach is?

The average age of the Indian Cricket team comprising of 11 players is 29 years. K L Rahul, whose current age is 27 years joined the team 2 years ago. Another player, Sachin Tendulkar whose present age is 38 years, retired from the team when KL Rahul joined the team. What was the average age of the team one year prior to Sachin’s retirement?

If the ratio of the ages of two persons is 3:5 and their ages differ by 18 years, what is the age of the younger person?a) 12 yearsb) 15 yearsc) 18 yearsd) 21 years