alleryಒಂದು ಆಯತದ ಉದ್ದವು 20% ಹೆಚ್ಚಾಗುತ್ತದೆ ಮತ್ತು ಅಗಲವು 10% ಕಡಿಮೆಯಾಗುತ್ತದೆ; ಪ್ರದೇಶ ಬದಲಾವಣೆ?
A12% ಹೆಚ್ಚಳ
B8% ಹೆಚ್ಚಳ
C8% ಇಳಿಕೆ
D10% ಹೆಚ್ಚಳ
Answer & Solution
Correct answer: B. 8% ಹೆಚ್ಚಳ
ಹೊಸ ಪ್ರದೇಶವು 1.20 × 0.90 = 1.08 ಹಳೆಯ ಪ್ರದೇಶಕ್ಕಿಂತ 8% ಹೆಚ್ಚಳವಾಗಿದೆ.
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