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രണ്ടു ആളുകളുടെ വയസ്സുകൾ തമ്മിലുള്ള വ്യത്യാസം 10 ആണ്. 15 വർഷം മുൻപ് മൂത്തയാളുടെ വയസ്സ് ഇളയ ആളുടെ വയസ്സിന്റെ ഇരട്ടി ആയിരുന്നു. എങ്കിൽ മൂത്തയാളുടെ ഇപ്പോഴത്തെ വയസ്സ് എത്ര ?

A25

B35

C45

D55

Answer:

B. 35

Read Explanation:

മൂത്തയാളുടെ ഇപ്പോഴത്തെ വയസ്സ് X ആയാൽ, ഇളയ ആളുടെ ഇപ്പോഴത്തെ വയസ്സ് = X - 10 15 വർഷങ്ങൾക്കു മുൻപ് , (X - 15) = 2(X - 10 - 15) (X - 15) = 2(X - 25) (X - 15) = 2X - 50 2X - X = 50 - 15 X = 35


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