alleryA, B എന്നിവയുടെ പ്രായം 5 : 3 ആണ്. 9 വർഷങ്ങളിൽ അനുപാതം 3 : 2 ആയി മാറുന്നു. A ന്റെ ഇപ്പോഴത്തെ പ്രായം
A30
B27
C36
D45
Answer & Solution
Correct answer: D. 45
(5x + 9)/(3x + 9) = 3/2 പരിഹരിക്കുമ്പോൾ x = 9 ലഭിക്കും, അതിനാൽ A എന്നത് 5 x 9 = 45 ആണ്.
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