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The ratio of father's age to his son's age is 3:1, the product their ages is 768. What is the present age of father?

A48

B32

C42

D50

Answer:

A. 48

Read Explanation:

3x * 1x=768; 3x² = 768; x = 16 3x = 3x16=48


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അമ്മയുടെ പ്രായം അപ്പുവിന്റെ പ്രായത്തിന്റെ 9 മടങ്ങാണ്.9 വര്ഷം കഴിയുമ്പോൾ ഇത് 3 മടങ്ങാകും.എന്നാൽ അപ്പുവിന്റെ ഇപ്പോഴത്തെ വയസ്സ് എത്ര?