Q:

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?

• 1
  36 years
• 2
  40 years
• 3
  45 years
• 4
  50 years
• 5
  None of these