Multiple choice

Mr. Mukherjee is 5 years elder to his wife and they have one son and one daughter. If the daughter is 23 years younger to Mr. Mukherjee and the son, is 16 years younger to his mother, what is the difference in the ages of the brother and the sister? श्री मुखर्जी अपनी पत्नी से 5 वर्ष बड़े है और उनके एक पुत्र और एक पुत्री है। यदि पुत्री श्री मुखर्जी से 23 वर्ष छोटी है और पुत्र अपनी माता से 16 वर्ष छोटा है, तो भाई और बहन की आयु का अन्तर क्या है?

  1. 2 years/वर्ष

  2. 12 years/वर्ष

  3. 4 years/वर्ष

  4. 7 years/वर्ष

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A Correct answer
Explanation

Let Mukherjee's age = M. Wife = M - 5. Daughter = M - 23. Son = (M - 5) - 16 = M - 21. Age difference between son and daughter = (M - 21) - (M - 23) = 2 years. Son is older by 2 years.