Problem: A football team has a ratio of win to loss of 3 : 1. After winning 6 games in a row, the team’s ratio of win to loss became 5 : 1. How many games had the team won before it played the last six games?
View all: NCC BANK LTD | WRITEN QUESTION(MATH) | 2002
Correct Answer: 9 Nos
Explanation:
Let, the number of wining game be 3x
The number of losing games be x
According to the question,3x + 6 : x = 5 : 1
=> $\frac{3x + 6}{x}$ = $\frac{5}{1}$
=> 2x = 6x = 3
The team won before it played the last six games = 3x = 3 x 3 = 9