The ratio of the ages of Esha and her mother is 1 4 and the ratio of the ages of Esha 39 s mother an...........

Quant (SSC) Problems based on Ages

The ratio of the ages of Esha and her mother is 1 : 4 and the ratio of the ages of Esha's mother and her brother is 9 : 1. If Esha's brother is 5 years younger than Esha. What will be the age of Esha's mother after 4 years?

36 years

40 years

45 years

50 years

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Explanation:

Esha : her mother = 1 : 4
Her mother : Her brother = 9 : 1
Esha : Her mother : Her brother = 9 : 36 : 4
Accoding to the question,
9x – 4x = 5
5x = 5
x = 1
Esha mother age after 4 years = 36 × 1 + 4 = 40 years