allery7 ವರ್ಗ ಮತ್ತು 6 ವರ್ಗಗಳ ನಡುವಿನ ವ್ಯತ್ಯಾಸವು ಯಾವ ಸಂಖ್ಯೆಗೆ ಸಮಾನವಾಗಿರುತ್ತದೆ?
A13
B11
C12
D14
Answer & Solution
Correct answer: A. 13
n ವರ್ಗ ಮೈನಸ್ (n-1) ವರ್ಗ ವ್ಯತ್ಯಾಸವು 2n - 1 ಗೆ ಸಮನಾಗಿರುತ್ತದೆ, ಆದ್ದರಿಂದ n = 7 ಗೆ ಅದು 13 ಆಗಿದೆ.
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