Question

D) Doul
•
Uuel
43. The average age of 10 boys in a hostel
comes out to be 14. A new admission
brought down their average age by one
year. How old the new recruit must be ?
(A) 4
(B) 5
(C) 3
(D) 12
W-0013​

Answer 1

Answer:

(C) 3 please mark as brilliant

Answer 2

Answer:

(C)3

Step-by-step explanation:

10 boys=14*10=140

A new admission brought down their average age by one year=14-1=13

11 boys=13*11=143

143-140=3

finally find the answer...