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CSIR NET Maths previous year question papers

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CSIR NET June 2025 · Part B (3 Marks)Analysis & Linear Algebra#the-k-at-least-1-is-what-makes-these-strict-inequalities

Let p, q be non-negative integers. Consider the following statements: (A) There is an integer k ≥ 1 such that p + k = q. (B) There is an integer k ≥ 1 such that q + k = p. Which of the following statements is true?

Single choice · The Real Line

CSIR NET June 2025 · Part B (3 Marks)Analysis & Linear Algebra#rank-exactly-one-excludes-the-zero-matrix-and-is-not-the-invertible-co

Let 𝔽5_{5} denote the field with 5 elements. How many 2 × 2 matrices with entries in 𝔽5_{5} have rank one?

Single choice · Vector Spaces and Linear Maps

CSIR NET December 2025 · Part B (3 Marks)Analysis & Linear Algebra#alpha-less-than-one-diverges-regardless-of-beta-only-alpha-equals-one

Let α,β∈(0,∞)\alpha, \beta \in (0, \infty). Consider the infinite series ∑n≥4\sum_{n\ge4} 1/[n(logen)α(loge(logen))β]1/[n(log_{e} n)^\alpha (log_{e}(log_{e} n))^\beta]. Which of the following statements is true?

Single choice · The Real Line

CSIR NET December 2024 · Part B (3 Marks)Analysis & Linear Algebra#the-attained-endpoint-blocks-continuity

Let f:R→[0,∞)f : \mathbb{R} \to [0, \infty) be a bijective function. Which of the following statements is true?

Single choice · Continuity and Differentiation

CSIR NET June 2024 · Part B (3 Marks)Analysis & Linear Algebra#sup-need-not-be-attained

Consider the set A = {x∈Q:0<(2−1)x<2+1x \in \mathbb{Q} : 0 < (\sqrt{2} - 1)x < \sqrt{2} + 1} as a subset of R\mathbb{R}. Which of the following statements is true?

Single choice · The Real Line

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