Multiple choice

The average of the present ages of Sachin and Saurabh is 36 yr, if Sachin is 8 yr older than Saurabh, what is the Saurabh’s present age

  1. 30yr

  2. 34yr

  3. 32yr

  4. 40yr
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let Sachin's age be S and Saurabh's be R. We have (S+R)/2 = 36, so S+R = 72. Given S = R+8, substituting gives (R+8)+R = 72, which simplifies to 2R = 64, so R = 32.

AI explanation

Let Saurabh's present age be x years, which means Sachin's age is x + 8. Since their average age is 36, their combined age is 2 times 36, or 72. Adding the two ages gives x + x + 8 = 72, which simplifies to 2x = 64. Solving for x gives Saurabh's present age as 32 years.

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