The average age of eleven players of a cricket team decreases by 2 months when two new players are included in the team replacing two players of age 17 years and 20 years. The average age of new player is
Options:
A . 17 years 7 months
B . 17 years 1 month
C . 18 years 3 months
D . 17 years 11 months
Answer: Option A Answer: (a)Easy method: Average age of new players = { (20+17)11×$2/12$ }×$1/2$ $422/{12×2}$ =$211/12$⇒ 17$7/12$ = 17 years 7 months
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