SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Quantitative Aptitude Algebra Linear Equation in 2 Variable

यदि समीकरण 10x + 7y + 11 = 0 और 30x – ky – 9 = 0 का कोई हल नहीं है, तो k का मान क्या होगा?

1

-21

2

-20

3

-18

4

21

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