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Question

A sports club has 130 members. An increase of 10% in the number of men and 20% in the number of ladies brought up the membership to 148. How many men and ladies were there originally?

A
90 men, 40 women
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B
80 men, 50 women
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C
60 men, 70 women
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D
50 men, 80 women
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Solution

The correct option is D 80 men, 50 women
Let the number of men be x and women be y
Given, x+y=130 ....... (1)
And 1.1x+1.2y=148 ....... (2)

Multiplying equation (1) with 1.1 we get,

1.1x+1.1y=143 ...... (3)

Subtracting equation (3) from (2), we get

0.1y=5y=50

Substituting y=50 in the equation (1), we get

x+y=130x=80

Hence, the number of men =80 and number of women =50


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