The average age of five girls 11 The oldest among them is 15 years old What is the average of

avg age of 5 girls =11
(G1+G2+G3+G4+G5)/5 =11
G1+G2+G3+G4+G5 = 55
Oldest among them is =15y
i.e.,G5=15
G1+G2+G3+G4+15=55
G1+G2+G3+G4=40
avg age of others = ?
(G1+G2+G3+G4)/4 = 40/4 =10years
ans:10years
10 years agoHelpfull: Yes(3) No(0)
10
(55-15)/4=10
10 years agoHelpfull: Yes(2) No(0)
10
11*5=55
55-15=40
40/4=10
9 years agoHelpfull: Yes(2) No(0)
total age of 5 girls is = 5*11=55
oldest girls age is 15
so total age of 4 girls is 55-15=40
average age of 4 girls = 40/4= 10
so the answer is 10
10 years agoHelpfull: Yes(1) No(0)
55-15/4
10
So ans is 10
8 years agoHelpfull: Yes(1) No(0)
average age of 5 girls is 11 so 5*11=55
oldest person age is 15 so 55-15=40
remaining 4 girls age is 404=10
8 years agoHelpfull: Yes(1) No(0)
(55-15)/4=10
8 years agoHelpfull: Yes(1) No(0)
(x1+.......+x5)/5=11
(x1+..........+x5)=55
let older among 5 be x5,then (x1+....x4+15) =55
(x1+....+x4)=40 i.e sum of four girls is 40.then averageis
(x1+.....x4)/4=40/4=10
8 years agoHelpfull: Yes(0) No(0)

The average age of five girls 11.The oldest among them is 15 years old.What is the average of the others?