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Mathematics Board Sample Paper - Standard 2025-2026 English Medium Class 10 Question Paper Solution

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Mathematics [Board Sample Paper - Standard]
Marks: 80 CBSE
English Medium

Academic Year: 2025-2026
Date: March 2026
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General Instructions:

Read the following instructions carefully and follow them:

  1. This question paper contains 38 questions. All Questions are compulsory.
  2. This Question Paper is divided into 5 Sections A, B, C, D and E.
  3. In Section A, Question numbers 1 - 18 are multiple choice questions (MCQs) and questions no. 19 and 20 are Assertion- Reason based questions of 1 mark each.
  4. In Section B, Question numbers 21 - 25 are very short answer (VSA) type questions, carrying 02 marks each.
  5. In Section C, Question numbers 26 - 31 are short answer (SA) type questions, carrying 03 marks each.
  6. In Section D, Question numbers 32 - 35 are long answer (LA) type questions, carrying 05 marks each.
  7. In Section E, Question numbers 36 - 38 are case study-based questions carrying 4 marks each with sub parts of the values of 1, 1 and 2 marks each respectively.
  8. There is no overall choice. However, an internal choice in 2 questions of Section B, 2 questions of Section C and 2 questions of Section D has been provided. An internal choice has been provided in all the 2 marks questions of Section E. 
  9. Draw neat and clean figures wherever required. Take `pi = 22/7` wherever required if not stated.
  10. Use of calculators is not allowed.

Section A consists of 20 questions of 1 mark each.
[1]1

If a = 22 × 3x, b = 22 × 3 × 5, c = 22 × 3 × 7 and LCM (a, b, c) = 3780, then x is equal to ______.

1

2

3

0

Concept: undefined - undefined
Chapter:
[1]2

The shortest distance (in units) of the point (2, 3) from y-axis is ______.

2

3

5

1

Concept: undefined - undefined
Chapter:
[1]3

If the lines given by 3x + 2ky = 2 and 2x + 5y + 1 = 0 are not parallel, then k has to be ______.

`15/4`

`≠15/4`

any rational number

any rational number having 4 as denominator

Concept: undefined - undefined
Chapter:
[1]4

A quadrilateral ABCD is drawn to circumscribe a circle. If BC = 7 cm, CD = 4 cm and AD = 3 cm, then the length of AB is ______.

3 cm

4 cm

6 cm

7 cm

Concept: undefined - undefined
Chapter:
[1]5

If sec θ + tan θ = x, then sec θ – tan θ will be ______.

x

x2

`2/x`

`1/x`

Concept: undefined - undefined
Chapter:
[1]6

Which one of the following is not a quadratic equation?

(x + 2)2 = 2(x + 3)

x2 + 3x = (–1)(1 – 3x)2

x3 – x2 + 2x + 1 = (x + 1)3

(x + 2)(x + 1) = x2 + 2x + 3

Concept: undefined - undefined
Chapter:
[1]7

Given below is the picture of the Olympic rings made by taking five congruent circles of radius 1 cm each, intersecting in such a way that the chord formed by joining the point of intersection of two circles is also of length 1 cm. Total area of all the dotted regions assuming the thickness of the rings to be negligible is:

`4(pi/12-sqrt3/4)"cm"^2`

`(pi/6-sqrt3/4)"cm"^2`

`4(pi/6-sqrt3/4)"cm"^2`

`8(pi/6-sqrt3/4)"cm"^2`

Concept: undefined - undefined
Chapter:
[1]8

A pair of dice is tossed. The probability of not getting the sum eight is ______.

`5/36`

`31/36`

`5/18`

`5/9`

Concept: undefined - undefined
Chapter:
[1]9

If 2 sin 5x = `sqrt(3)`, 0° ≤ x ≤ 90°, then x is equal to ______.

10°

12°

20°

50°

Concept: undefined - undefined
Chapter:
[1]10

The sum of two numbers is 1215 and their HCF is 81, then the possible pairs of such numbers are ______.

2

3

4

5

Concept: undefined - undefined
Chapter:
[1]11

If the area of the base of a right circular cone is 51 cm2 and it’s volume is 85 cm2, then the height of the cone is given as ______.

`5/6` cm

`5/3` cm

`5/2` cm

5 cm

Concept: undefined - undefined
Chapter:
[1]12

If zeroes of the quadratic polynomial ax2 + bx + c (a, c ≠ 0) are equal, then ______.

c and b must have opposite signs

c and a must have opposite signs

c and b must have same signs

c and a must have same signs

Concept: undefined - undefined
Chapter:
[1]13

The area (in cm2) of a sector of a circle of radius 21 cm cut off by an arc of length 22 cm is ______.

441

321

231

221

Concept: undefined - undefined
Chapter:
[1]14

If ∆ABC ~ ∆DEF, AB = 6 cm, DE = 9 cm, EF = 6 cm and FD = 12 cm, then the perimeter of ∆ABC is ______.

28 cm

28.5 cm

18 cm

23 cm

Concept: undefined - undefined
Chapter:
[1]15

If the probability of the letter chosen at random from the letters of the word “Mathematics” to be a vowel is `2/(2x + 1)`, then x is equal to ______.

`4/11`

`9/4`

`11/4`

`4/9`

Concept: undefined - undefined
Chapter:
[1]16

The points A(9, 0), B(9, –6), C(–9, 0) and D(–9, 6) are the vertices of a ______.

Square

Rectangle

Parallelogram

Trapezium

Concept: undefined - undefined
Chapter:
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[1]17

The median of a set of 9 distinct observations is 20.5. If each of the observations of a set is increased by 2, then the median of a new set ______.

is increased by 2

is decreased by 2

is two times the original number

remains same as that of original observations

Concept: undefined - undefined
Chapter:
[1]18

The length of a tangent drawn to a circle of radius 9 cm from a point at a distance of 41 cm from the centre of the circle is ______.

40 cm

9 cm

41 cm

50 cm

Concept: undefined - undefined
Chapter:
[1]19 | In question numbers 19 and 20, a statement of Assertion (A) is followed by a statement of Reason (R).

Assertion (A): The number 5n cannot end with the digit 0, where n is a natural number.

Reason (R): A number ends with 0, if its prime factorization contains both 2 and 5.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true and reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Concept: undefined - undefined
Chapter:
[1]20

Assertion (A): If cos A + cos2A = 1, then sin2A + sin4A = 1.

Reason (R): sin2A + cos2A = 1.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true and reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Concept: undefined - undefined
Chapter:
Section B consists of 5 questions of 2 marks each.
[2]21
[2]21.A

The A.P. 8, 10, 12, ....... has 60 terms. Find the sum of the last 10 terms.

Concept: undefined - undefined
Chapter:
OR
[2]21.B

Find the middle term of A.P. 6, 13, 20, ......., 230.

Concept: undefined - undefined
Chapter:
[2]22

If sin(A + B) = 1 and cos(A – B) = `sqrt(3)/2`, 0° < A + B ≤ 90° and A > B, then find the measures of angles A and B.

Concept: undefined - undefined
Chapter:
[2]23

If AP and DQ are medians of triangles ABC and DEF respectively, where ∆ABC ~ ∆DEF, then prove that `(AB)/(DE) = (AP)/(DQ)`.

Concept: undefined - undefined
Chapter:
[2]24
[2]24.A

A horse, a cow and a goat are tied, each by ropes of length 14 m, at the corners A, B and C respectively, of a grassy triangular field ABC with sides of lengths 35 m, 40 m and 50 m. Find the area of grass field that can be grazed by them.

Concept: undefined - undefined
Chapter:
OR
[2]24.B

Find the area of the major segment (in terms of π) of a circle of radius 5 cm, formed by a chord subtending an angle of 90° at the centre.

Concept: undefined - undefined
Chapter:
[2]25

A ∆ABC is drawn to circumscribe a circle of radius 4 cm such that the segments BD and DC are of lengths 10 cm and 8 cm respectively. Find the lengths of the sides AB and AC, if it is given that ar(∆ABC) = 90 cm2.

Concept: undefined - undefined
Chapter:
Section C consists of 6 questions of 3 marks each.
[3]26

In the given figure, XY and X’Y’ are two parallel tangents to a circle with centre O and another tangent AB with point of contact C, intersecting XY at A and X’Y’ at B. Prove that ∠AOB = 90°.

Concept: undefined - undefined
Chapter:
[3]27

In a workshop, the number of teachers of English, Hindi and Science are 36, 60 and 84 respectively. Find the minimum number of rooms required if in each room the same number of teachers are to be seated and all of them being of the same subject.

Concept: undefined - undefined
Chapter:
[3]28

Find the zeroes of the quadratic polynomial `2x^2 - (1 + 2sqrt(2))x + sqrt(2)` and verify the relationship between the zeroes and coefficients of the polynomial.

Concept: undefined - undefined
Chapter:
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[3]29
[3]29.A

If sin θ + cos θ = `sqrt(3)`, then prove that tan θ + cot θ = 1.

Concept: undefined - undefined
Chapter: [9] Introduction to Trigonometry
OR
[3]29.B

Prove that `(cosA - sinA + 1)/(cosA + sinA - 1)` = cosec A + cot A

Concept: undefined - undefined
Chapter:
[3]30

On a particular day, Vidhi and Unnati couldn’t decide on who would get to drive the car. They had one coin each and flipped their coin exactly three times.

The following was agreed upon: 

  1. If Vidhi gets two heads in a row, she would drive the car.
  2. If Unnati gets a head immediately followed by a tail, she would drive the car. 

Who has greater probability to drive the car that day? Justify your answer.

Concept: undefined - undefined
Chapter:
[3]31
[3]31.A

The monthly income of Aryan and Babban are in the ratio 3 : 4 and their monthly expenditures are in ratio 5 : 7. If each saves ₹ 15,000 per month, find their monthly incomes.

Concept: undefined - undefined
Chapter:
OR
[3]31.B

Solve the following system of equations graphically:

2x + y = 6, 2x – y – 2 = 0. Find the area of the triangle so formed by two lines and x-axis.

Concept: undefined - undefined
Chapter:
Section D consists of 4 questions of 5 marks each.
[5]32

A train travels at a certain average speed for a distance of 63 km and then travels at a distance of 72 km at an average speed of 6 km/hr more than its original speed. If it takes 3 hours to complete the total journey, what is the original average speed?

Concept: undefined - undefined
Chapter:
[5]33

Prove that if a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio.

Hence in ΔPQR, prove that a line ℓ intersects the sides PQ and PR of a ∆PQR at L and M, respectively, such that LM || QR. If PL = 5.7 cm, PQ = 15.2 cm and MR = 5.5 cm, then find the length of PM (in cm).

Concept: undefined - undefined
Chapter:
[5]34
[5]34.A

From a solid right circular cone, whose height is 6 cm and radius of base is 12 cm, a right circular cylindrical cavity of height 3 cm and radius 4 cm is hollowed out such that bases of cone and cylinder form concentric circles. Find the surface area of the remaining solid in terms of π.

Concept: undefined - undefined
Chapter:
OR
[5]34.B

An empty cone of radius 3 cm and height 12 cm is filled with ice-cream such that the lower part of the cone which is `(1/6)^"th"` of the volume of the cone is unfilled (empty) but a hemisphere is formed on the top. Find the volume of the ice-cream.

Concept: undefined - undefined
Chapter:
[5]35
[5]35.A

If the mode of the following distribution is 55, then find the value of x. Hence, find the mean.

Class interval 0 – 15 15 – 30 30 – 45 45 – 60 60 – 75 75 – 90
Frequency 10 7 x 15 10 12
Concept: undefined - undefined
Chapter:
OR
[5]35.B

A survey regarding heights (in cm) of 51 girls of class X of a school was conducted and the following data was obtained:

Heights (in cm) Number of girls
less than 140 04
less than 145 11
less than 150 29
less than 155 40
less than 160 46
less than 165 51

Find the median height of girls. If the mode of the above distribution is 148.05, find the mean using the empirical formula.

Concept: undefined - undefined
Chapter:
Section E consists of 3 case study-based questions of 4 marks each.
[4]36
In class, the teacher asks every student to write an example of an A.P. Two boys, Aryan and Roshan, write the progressions as −5, −2, 1, 4, ... and 187, 184, 181, ... respectively. Now the teacher asks his various students the following questions on progression.

Help the students to find answers for the following:

  1. Find the sum of the common difference of two progressions.   (1)
  2. Find the 34th term of the progression written by Roshan.   (1) 
    1. Find the sum of the first 10 terms of the progression written by Aryan.  (2)
      OR
    2. Which term of the progression will have the same value?  (2)
Concept: undefined - undefined
Chapter:
[4]37

A group of class X students goes to a picnic during winter holidays. The positions of three friends Aman, Kirti and Chahat, are shown by the points P, Q and R.

  1. Find the distance between P and R.   (1)
  2. Is Q the midpoint of PR? Justify by finding the midpoint of PR.   (1)
    1. Find the point on the x-axis which is equidistant from P and Q.   (2)
      OR
    2. Let S be a point which divides the line joining PQ in the ratio 2 : 3. Find the coordinates of S.   (2)
Concept: undefined - undefined
Chapter:
[4]38

India gate (formerly known as the All India war memorial) is located near Karthavya path (formerly Rajpath) at New Delhi. It stands as a memorial to 74187 soldiers of the Indian Army, who gave their life in the first world war. This 42 m tall structure was designed by Sir Edwin Lutyens in the style of Roman triumphal arches. A student named Shreya, who is 1 m tall, visited India Gate as part of her study tour.

  1. What is the angle of elevation from Shreya’s eye to the top of India Gate if she is standing at a distance of 41 m away from the India Gate?   (1)
  2. If Shreya observes the angle of elevation from her eye to the top of India Gate to be 60°, then how far is she standing from the base of the India Gate?   (1)
    1. If the angle of elevation from Shreya’s eye changes from 45° to 30°, when she moves some distance back from the original position. Find the distance she moves back.   (2)
      OR
    2. If Shreya moves to a point which is at a distance of `41/sqrt(3)` m from the India Gate, then find the angle of elevation made by her eye to the top of the India Gate.  (2)
Concept: undefined - undefined
Chapter:

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