alleryஇரு நண்பர்களின் வயது 4 : 5 என்ற விகிதத்தில் உள்ளது. 6 ஆண்டுகளுக்குப் பிறகு அது 5 : 6 ஆக இருக்கும். இளையவரின் தற்போதைய வயது
A28
B24
C30
D20
Answer & Solution
Correct answer: B. 24
(4x + 6)/(5x + 6) = 5/6 என்பதைத் தீர்க்க x = 6 என வருகிறது, எனவே இளையவரின் வயது 4 x 6 = 24 ஆகும்.
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