Multiple choice

The ages of two persons differ by 16 years. 6 years ago, the elder one was 3 times as old as the younger one. What are their present ages of the elder person? दो व्यक्तियों की आयु में 16 वर्ष का अन्तर है । 6 वर्ष पहले, अधिक आयु वाला कम आयु वाले का 3 गुना था । उनमें अधिक आयु वाले व्यक्ति की वर्तमान आयु क्या है?

  1. 15 years/वर्ष

  2. 20 years/वर्ष

  3. 25 years/वर्ष

  4. 30 years/वर्ष
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let present ages be x and (x - 16) for elder and younger. 6 years ago: (x - 6) = 3[(x - 16) - 6]. So x - 6 = 3(x - 22), x - 6 = 3x - 66, 60 = 2x, x = 30. Elder's present age is 30 years. The claimed answer D is correct.

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