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ഒരു അച്ഛന്റെയും മകന്റെയും ഇപ്പോഴത്തെ വയസ് 7 : 3 എന്ന അനുപാതത്തിൽ ആണ്. ഇവരുടെ വയസ്സുകളുടെ വ്യത്യാസം 36 ആയാൽ മകന്റെ ഇപ്പോഴത്തെ വയസ്സ് എത്ര?

A21

B27

C24

D18

Answer:

B. 27

Read Explanation:

അച്ഛന്റെ വയസ്സ് = 7x മകന്റെ വയസ്സ് = 3x വ്യത്യാസം = 4x = 36 x = 9 മകന്റെ വയസ്സ് = 3x = 27


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