alleryಇಬ್ಬರು ಸ್ನೇಹಿತರ ವಯಸ್ಸಿನ ಅನುಪಾತ 4 : 5. 6 ವರ್ಷಗಳ ನಂತರ ಅದು 5 : 6 ಆಗಿರುತ್ತದೆ. ಕಿರಿಯ ಸ್ನೇಹಿತರ ಪ್ರಸ್ತುತ ವಯಸ್ಸು
A28
B24
C30
D20
Answer & Solution
Correct answer: B. 24
(4x + 6)/(5x + 6) = 5/6 ಪರಿಹರಿಸುವುದರಿಂದ x = 6 ಸಿಗುತ್ತದೆ, ಆದ್ದರಿಂದ ಕಿರಿಯದು 4 x 6 = 24 ಆಗಿರುತ್ತದೆ.
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