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# (Download) CBSE Class-10 Sample Paper And Marking Scheme 2020-21 :(Mathematics Standard)

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# (Mathematics -Standard)

Class- X Session- 2020-21

Subject- Mathematics -Standard

Sample Question Paper

Time Allowed: 3 Hours

Maximum Marks: 80

General Instructions:

1.  This question paper contains two parts A and B.

2.  Both Part A and Part B have internal choices.

Part – A:

1.  It consists three sections- I and II.

2.  Section I has 16 questions of 1 mark each. Internal choice is provided in 5 questions.

3.  Section II has 4 questions on case study. Each case study has 5 case-based sub-parts. An examinee is to attempt any 4 out of 5 sub-parts.

Part – B:

1.  Question No 21 to 26 are Very short answer Type questions of 2 mark each,

2.  Question No 27 to 33 are  Short Answer Type questions of 3 marks each

3.  Question No 34 to 36 are Long Answer Type questions of 5 marks each.

4.  Internal choice is provided in 2 questions of 2 marks, 2 questions of 3 marks and 1 question of 5 marks.

 Question No. Part-A Marks allocated Section-I Section I has 16 questions of 1 mark each. Internal choice is provided in 5 questions. 1 If xy=180 and HCF(x,y)=3, then find the LCM(x,y).  OR   The decimal representation of 14587  will terminate after how many decimal places? 21 × 54 1 2 If the sum of the zeroes of the quadratic polynomial 3x2-kx+6 is 3, then find the value of k. 1
 3 For what value of k, the pair of linear equations 3x+y=3 and 6x+ky=8 does not have a solution. 1 4 If 3 chairs and 1 table costs Rs. 1500 and 6 chairs and 1 table costs Rs.2400. Form linear equations to represent this situation. 1 5 Which term of the A.P. 27, 24, 21,…..is zero? OR In an Arithmetic Progression, if d= - 4, n=7,an=4, then find a. 1 6 For what values of k, the equation 9x2+6kx+4=0 has equal roots? 7 Find the roots of the equation x2+7x+10=0 OR For what value(s) of ‘a’ quadratic equation 30 ???? 2 − 6?? + 1 = 0 has no real roots? 1 