defence exam CISF Constable Driver 2025 Quantitative Aptitude Algebra Linear Equation in 2 Variable

20x + 5y + 11 = 0 ಮತ್ತು 50x – ky – 9 = 0 ಸಮೀಕರಣಗಳು ಯಾವುದೇ ಪರಿಹಾರವನ್ನು ಹೊಂದಿಲ್ಲದಿದ್ದರೆ, ನಂತರ k ಮೌಲ್ಯವು ಎಷ್ಟು?

1
- 18
2
12.5
3
-12.5
4
18
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