Multiple choice

The sum of present ages of father and son is 48 years. If after 6 years, father's age will be four times the son's age, what will be father's present age? पिता और पुत्र की वर्तमान आयु का योगफल 48 वर्ष है। यदि 6 वर्ष पश्चात्, पिता की आयु पुत्र की आयु की चार गुनी हो जायेगी तो पिता की वर्तमान आयु क्या होगी?

  1. 40

  2. 42

  3. 45

  4. 48
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B Correct answer
Explanation

Let father's age be f, son's age be s. We have f + s = 48. After 6 years: (f + 6) = 4(s + 6). Substituting f = 48 - s gives 54 - s = 4s + 24, so 5s = 30 and s = 6. Therefore f = 42. Options A, C, and D don't satisfy both conditions.

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