Andhra & Telangana Board - Class 9

Secondary Mathematics question bank (Mathematics (NTSE Foundation))

Practice 605 free Andhra & Telangana Board - Class 9 Mathematics (NTSE Foundation) - Secondary Mathematics questions with answers and step-by-step solutions.

Start free Book a demo

All Easy Hard Medium

Q1.

బహుపదులు మరియు వర్గ సమీకరణాలు (Polynomials & Quadratic Equations): 'Real Numbers (Irrational Numbers, Surds)' సమీకరణం యొక్క మూలాలు (Roots) ఏమిటి?

(A)

$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$, Discriminant $\Delta = b^2 - 4ac$ ($Real Numbers (Irrational Numbers, Surds)$)

(B)

$x = -b \pm \sqrt{{b^2 - 4ac}}$

(C)

Roots are always real and equal

(D)

None of the above

Show answer & solution

Verified Answer & Solution Locked

Q2.

శ్రేణులు (Progressions - AP & GP): 'Real Numbers (Irrational Numbers, Surds)' శ్రేణి యొక్క $n$-వ పదం మరియు మొత్తానికి సరైన సూత్రం ఏది?

(A)

$a_n = a + (n-1)d$ and $S_n = \frac{n}{2}[2a + (n-1)d]$ ($Real Numbers (Irrational Numbers, Surds)$)

(B)

$a_n = a \cdot d^{{n-1}}$ for AP

(C)

$S_n = n(a+d)$

(D)

None of the above

Show answer & solution

Verified Answer & Solution Locked

Protected Questions

Unlock All 40 Questions in Secondary Mathematics

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign up free to access all 40 questions

Unlock every Secondary Mathematics question, generate papers, and practice at your own pace.

Start free