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1. Mother's age today is thrice as her daughter's . After 10 years it would be just double. How old is the daughter today?

  • A. 10 years
  • B. 10 years
  • C. 10 years
  • D. 10 years

Answer: Option A

Explanation:

Let, Present age of
 daughter's  =  x years
and present age of Mother's 
 = 3x years 
ATQ, (3x  +  10) 
 = 2x   +  20
বা,  3x   +  10  = 2x   +  20 
বা,  3x  - 2x  = 20 - 10
∴ x  = 10 

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