The ratio of the number of men to the number of women in a sports club is 5:2. After 63 men and 12 women quit the club, the ratio of the number of men to the number of women became 7:4.
How many members did the club have in the beginning?

Let the number of men and the number of women in the beginning be x and y

Now,

Now, In 2nd case,

No. Of men=x-63 and no. Of women =y-12

Now,the ratio becomes

Now,we have, 2x=5y

Putting the value of Y=56 in 2x=5y,we get,

Hence, the number of men was 140 and the no. of women was 56

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answer;

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