Andhra & Telangana Board - Class 9

Secondary Mathematics question bank (Mathematics (NTSE Foundation))

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Q1.

వాస్తవ సంఖ్యలు మరియు సంవర్గమానాలు (Real Numbers - SSC Exam): 'Real Numbers (Irrational Numbers, Surds)' ఆధారంగా యుక్లిడ్ భాగహార శేషవిధి లేదా సంవర్గమాన సూత్రం ఏది?

(A)

$a = bq + r$, where $0 \le r < b$ or $\log_a(xy) = \log_a x + \log_a y$ ($Real Numbers (Irrational Numbers, Surds)$)

(B)

$r \ge b$

(C)

$\log(x+y) = \log x \times \log y$

(D)

None of the above

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Q2.

సమితులు (Sets - SSC Board): 'Real Numbers (Irrational Numbers, Surds)' సమితులకు సంబంధించి సరైన సంబంధం ఏది?

(A)

$n(A \cup B) = n(A) + n(B) - n(A \cap B)$ ($Real Numbers (Irrational Numbers, Surds)$)

(B)

$A \cap B = A \cup B$

(C)

$\phi$ is not a subset of any set

(D)

None of the above

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