alleryಇಬ್ಬರು ಸಹೋದರಿಯರ ವಯಸ್ಸಿನ ಅನುಪಾತ 5 : 7 ಮತ್ತು ನಾಲ್ಕು ವರ್ಷಗಳ ಹಿಂದಿನ ಮೊತ್ತ 40 ಆಗಿತ್ತು. ಹಿರಿಯ ಸಹೋದರಿಯ ವಯಸ್ಸು ಈಗ
A26
B28
C20
D24
Answer & Solution
Correct answer: B. 28
ಪ್ರಸ್ತುತ ಮೊತ್ತವು 12 ಭಾಗಗಳ ಮೇಲೆ 48 ಆಗಿದೆ, ಆದ್ದರಿಂದ ಒಂದು ಭಾಗವು 4 ಆಗಿದೆ ಮತ್ತು ಹಿರಿಯ ಭಾಗವು 7 x 4 = 28 ಆಗಿದೆ.
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