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Q.

Reena is 6 years older than her brother Ajay. If the sum of their ages is 28 years. Which of the following is the present ages of Reena and Ajay respectively?


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a

11 years and 12 years

b

15 years and 10 years 

c

11 years and 17 years

d

17 years and 11 years 

answer is D.

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Detailed Solution

Let the age of Ajay be x years
According to the question,
Age of Reena = x + 6 years
Since, sum of their ages = 28 years
x + x + 6 = 28
2x = 22
x = 11 years
Thus, the age of Ajay is 11 years and age of Reena is 11 + 6 = 17 years
Hence, 4 is the correct option.
 
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Reena is 6 years older than her brother Ajay. If the sum of their ages is 28 years. Which of the following is the present ages of Reena and Ajay respectively?