Q474
In a certain month a base ball team that played 60 games had won 30% of its games played. After a phenomenal winning streak this team raised its average to 50%. How many games must the team have won in a row to attain this average ?
A.
12
B.
20
C.
24
AnswerD.
30
Answer: Option C
Solution
Answer: Option C
Solution:
Number of games already won = 30% of 60
= 18
Let the required number of games be
Then,