# JAM Question Paper 2019-20 MA (Mathematics)

JAM Question Paper 2019-20 MA (Mathematics). JAM MA – Mathematics 2019-20 Question Paper test papers will be fully objective type.  This JAM MA – Mathematics 2019-20 Question will help all the students for their exam preparation, here the question type is MCQ i.e multiple choice question answers, if this JAM MA – Mathematics 2019-20 question paper in pdf file for IIT JAM MA – Mathematics you can download it in FREE, if Joint Entrance Examination (JAM) 2019-20 paper in text for JAM you can download JAM 2019-20 page also just Go to menu bar, Click on File->then Save.

## JAM Question Paper 2019-20 MA (Mathematics)

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01. Let f(x) = |x2 – 25| for all x ∈ ℝ. The total number of points of ℝ at which f attains a local extremum (minimum or maximum) is

• (A) 1
• (B) 2
• (C) 3
• (D) 4

02. For a, b, c ∈ ℝ, if the differential equation

(ax2 + bxy + y2) dx + (2x2 + cxy + y2) dy = 0

is exact, then

• (A) b = 2, c = 2a
• (B) b = 4, c = 2
• (C) b = 2, c = 4
• (D) b = 2, a = 2c

03. Let G be a group of order 17. The total number of non-isomorphic subgroups of G is

• (A) 1
• (B) 2
• (C) 3
• (D) 17

04. Which one of the following is a subspace of the vector space ℝ3?

• (A) {(x, y, z) ∈ ℝ3 : x + 2y = 0, 2x + 3z = 0}
• (B) {(x, y, z) ∈ ℝ3 : 2x + 3y + 4z – 3 = 0, z = 0}
• (C) {(x, y, z) ∈ ℝ3 : x ≥ 0, y ≥ 0}
• (D) {(x, y, z) ∈ ℝ3 : x – 1 = 0, y = 0}

05. Let G be a cyclic group of order 24. The total number of group isomarphisms of G onto itself is

• (A) 7
• (B) 8
• (C) 17
• (D) 24 Download MA 2019-20