Sumit mother is 22 years younger than Sumit grandmother and 27 year older than Sumit the sum of their age is 121 years find the present age of Sumit.

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Dear Student, 

Let Sumit's mother's age be x yrs.
 
Then Sumit's grandmother's age = x + 22 yrs
 
And, Sumit's age = x - 27 yrs
 
Also, Sum of their ages = 121 yrs
 
Then, x + x + x + 22 - 27 = 121
 
3x -5 = 121
 
3x = 126
 
x = 42 yrs
 
x - 27 = 15 yrs
Sumit age is 15 yrs.

Regards.. 
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Thank you to both
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