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Quantitative Aptitude

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Percentage & Averages

Question
12 out of 30
 

10 years ago Garima’s mother was 4 times older than her daughter. After 10 years, the mother will be twice older than the daughter. The present age of Garima is



A 10 years
B 30 years
C 20 years
D 15 years
E None of These

Ans. A Let today Garima age = x while her mother age = y

4(x-10) = y-10, 4x = y +30 y = 4x – 30

2(x-10) = y-10, 2x = y + 10 y = 2x – 10

4x – 30 = 2x – 10

2x = 20

x = 10 years

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