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അച്ഛന്റെയും മകന്റെയും വയസുകളുടെ തുക 85 ആണ് അച്ഛനെക്കാൾ 27 വയസ്സ് കുറവാണു മകന് എങ്കിൽ മകന്റെ വയസ്സെത്ര ?

A30

B58

C29

D35

Answer:

C. 29

Read Explanation:

വലിയ സംഖ്യ = (തുക + വ്യത്യാസം) / 2 ചെറിയ സംഖ്യ = (തുക - വ്യത്യാസം) / 2 മകന്റെ വയസ്സ് = [85 - 27]/2 = 29


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