Question Paper and Answer key of the CBSE Class 10 Mathematics (Standard) Examination held on 13th March 2020. The question paper code is 30/3/2\

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CBSE Class 10 Maths Question Paper and Answer Keys 2020

Section – A

Question number 1 to 10 are multiple choice questions of 1 mark each. You have to select the correct choice :

1 In fig 1. the graph of the polynomial p(x) is given. The number of zeroes of the polynomial is

(a) 1
(b) 2
(c) 3
(d) 0

Ans: (b)

2. If (a, b) is the mid-point of the line segment joining the point A(10, -6) and B(k, 4)and a-2b=18, the value of k is
(a) 30
(b) 22
(c)4
(d) 40

Ans: (b)

3. The value of k for which the points A (0, 1), B (2, k) and C(4, -5) are collinear is
(a) 2
(b) -2
(c) 0
(d) 4

Ans: (b)

4. If ∆ABC ~ ∆DEF such that AB = 1.2 cm and DE = 1.4 cm, the ratio of the areas of ∆ABC and ∆DEF is
(a) 49:36
(b) 6:7
(c) 7:6
(d) 36:49

Ans: (d)

5. The HCF of 135 and 225 is
(a) 15
(b) 75
(c) 45
(d) 5

Ans: (c)

6. The exponent of 2 in the prime factorization of 144, is
(a) 2
(b) 4
(c) 1
(d) 6

Ans: (b)

7. The common difference of an AP, whose nth term is an=3n+7 is
(a) 3
(b) 7
(c) 10
(d) 6

Ans: (a)

8. The value of λ for which (x2+4x+ λ) is a perfect square, is
(a) 16
(b) 9
(c) 1
(d) 4

Ans: (d)

9.  The value of k, for which the pair of linear equations kx + y = k2 and x + ky = 1 have infinitely many solutions is
(a) ±1
(b) 1
(c)-1
(d) 2

Ans: (b)

10. The value of p for which (2p + 1), 10 and (5p + 5) are three consecutive terms of an AP is
(a) -1
(b) -2
(c) 1
(d) 2

Ans: (d)

OR

The number of terms of an AP 5, 9, 13, .. .. 185 is
(a) 31
(b) 51
(c) 41
(d) 40
Ans: Option not present, answer is 44

(Answer Key Prepared by Mrs. Leji Santhosh)

Download the detailed solutions of CBSE 10th March Exam 2020 Section B in PDF format from

CBSE 10th Exam 2020 Question Papers and Answer Keys-MATHS

 

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22 Comments

  1. Neha eliza binoy on

    section A is difficult and also 10th in section A has mistake in its option .pls you must give mark for that

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