alleryA ಮತ್ತು B ನ ವಯಸ್ಸುಗಳು 5 : 3. 9 ವರ್ಷಗಳಲ್ಲಿ ಅನುಪಾತವು 3 : 2 ಆಗುತ್ತದೆ. A ನ ಪ್ರಸ್ತುತ ವಯಸ್ಸು
A30
B27
C36
D45
Answer & Solution
Correct answer: D. 45
(5x + 9)/(3x + 9) = 3/2 ಪರಿಹರಿಸುವುದರಿಂದ x = 9 ಸಿಗುತ್ತದೆ, ಆದ್ದರಿಂದ A ಎಂದರೆ 5 x 9 = 45.
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