Multiple choice

If 6 years are subtracted from the present age of S and the remainder is divided by 18, then the present age of his grandson B is obtained. If B is 2 years younger to N whose age is 5 years, then what is the age of S. यदि S की वर्तमान आयु से 6 वर्ष घटा दिया जाए और शेष को 18 से विभाजित किया जाय, तो उसके पौत्र B की आयु प्राप्त होती है। यदि B, N से 2 वर्ष छोटा है जिसकी आयु 5 वर्ष है, तो S की आयु क्या है?

  1. 96 years/वर्ष

  2. 84 years/वर्ष

  3. 48 years/वर्ष

  4. 60 years/वर्ष
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D Correct answer
Explanation

Let S's age = S. B's age = (S - 6)/18. Given N = 5 years, and B = N - 2 = 5 - 2 = 3 years. So (S - 6)/18 = 3, which gives S - 6 = 54, therefore S = 60 years. S is 60 years old, which is a reasonable age for someone with a 5-year-old grandson.

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