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Mathematics Standard - 30/1/3 2025-2026 English Medium Class 10 Question Paper Solution

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Mathematics [Standard - 30/1/3]
Marks: 80 CBSE
English Medium

Academic Year: 2025-2026
Date & Time: 17th February 2026, 10:30 am
Duration: 3h
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General Instructions:

Read the following instructions very carefully and strictly follow them:

  1. This question paper contains 38 questions. All questions are compulsory.
  2. This question paper is divided into five Sections – A, B, C, D and E.
  3. In Section A – Question Nos. 1 to 18 are multiple choice questions (MCQs) and question numbers 19 and 20 are Assertion – Reason based questions of 1 mark each.
  4. In Section B – Question Nos. 21 to 25 are Very Short Answer (VSA) type questions, carrying 2 marks each.
  5. In Section C – Question Nos. 26 to 31 are Short Answer (SA) type questions, carrying 3 marks each.
  6. In Section D – Question Nos. 32 to 35 are Long Answer (LA) type questions, carrying 5 marks each.
  7. In Section E – Question Nos. 36 to 38 are Case Study Based questions carrying 4 marks each. Internal choice is provided in 2 marks question in each case-study.
  8. There is no overall choice. However, an internal choice has been provided in 2 questions in Section B, 2 questions in Section C, 2 questions in Section D and 3 questions of 2 marks in Section E.
  9. Draw neat diagrams wherever required. Take π = `22/7` wherever required, if not stated.
  10. Use of calculator is not allowed.

SECTION - A (20 Marks)
Question numbers 1 to 20 are multiple choice questions of 1 mark each.
[1]1.

For any natural number n, 6n ends with the digit ______.

0

6

3

2

Concept: undefined - undefined
Chapter:
[1]2.

The graph of y = f(x) is given.

The number of zeroes of f(x) is:

0

1

2

4

Concept: undefined - undefined
Chapter:
[1]3.

If a pair of linear equations in two variables is represented by two coincident lines, then the pair of equations has ______.

a unique solution

two solutions

no solution

an infinite number of solutions

Concept: undefined - undefined
Chapter:
[1]4.

The common difference of the AP `sqrt2, 2sqrt2, 3sqrt2, 4sqrt2,` .... is ______.

`sqrt2`

1

`2sqrt2`

`-sqrt2`

Concept: undefined - undefined
Chapter:
[1]5.

If ∆ ABC and ∆ DEF are similar such that 2AB = DE and BC = 8 cm, then EF = ______.

16 cm

12 cm

8 cm

4 cm

Concept: undefined - undefined
Chapter:
[1]6.

The mid-point of the line segment joining the points (5, 4) and (6, 4) lies on ______.

x-axis

y-axis

origin

neither x-axis nor y-axis

Concept: undefined - undefined
Chapter:
[1]7.

Given that sin θ = `a/b` then cos θ is equal to ______.

`b/sqrt(b^2 - a^2)`

`b/a`

`sqrt(b^2 - a^2)/b`

`a/sqrt(b^2 - a^2)`

Concept: undefined - undefined
Chapter:
[1]8.

If cos A = `1/2` then the value of sin2 A + 2 cos2 A is ______.

`3/2`

`5/4`

−1

`1/2`

Concept: undefined - undefined
Chapter:
[1]9.

The string of a flying kite is tied to a point on the ground. The length of the string between the kite and the point on the ground is 80 m. The string makes an angle of 30° with the ground. The height of the kite above the ground is ______.

`20sqrt3` m

40 m

`40sqrt3` m

`80sqrt3` m

Concept: undefined - undefined
Chapter:
[1]10.

If TP and TQ are two tangents to a circle with centre O from an external point T so that ∠ POQ = 120°, then ∠ PTQ is equal to ______.

60°

70°

80°

90°

Concept: undefined - undefined
Chapter:
[1]11.

In the given figure, PA is a tangent from an external point P to a circle with centre O. If ∠ POB = 125°, then ∠ APO is equal to:

25°

65°

90°

35°

Concept: undefined - undefined
Chapter:
[1]12.

Shown in the given figure is a circle with centre O. The area of the minor sector is 7 cm2. Area of circle is:

84 π cm2

`84/11  cm^2` 

84 cm2

`sqrt84/pi  cm^2` 

Concept: undefined - undefined
Chapter:
[1]13.

In the given figure, O is the centre of circle. XYZ is an arc of the circle subtending an angle of 45° at the centre. If the radius of the circle is 32 cm, then the length of the arc XYZ is:

4 π cm

8 π cm

64 π cm

128 π cm

Concept: undefined - undefined
Chapter:
[1]14.

The radius of a sphere (in cm) whose volume is 36 π cm3, is ______.

3

`3sqrt3`

`3^(2/3)`

`3^(1/3)`

Concept: undefined - undefined
Chapter:
[1]15.

If the mean and mode of a data are 12 and 21 respectively, then its median is ______.

6

13.5

15

14

Concept: undefined - undefined
Chapter:
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[1]16.

A die is thrown once. Probability of getting a number other than 3 is ______.

`1/6`

`3/6`

`5/6`

1

Concept: undefined - undefined
Chapter:
[1]17.

The HCF of 960 and 432 is ______.

48

54

72

36

Concept: undefined - undefined
Chapter:
[1]18.

The natural number 2 is ______.

a prime number

a composite number

prime as well as composite

neither prime nor composite

Concept: undefined - undefined
Chapter:
Questions numbers 19 and 20 are Assertion and Reason based questions. Two statements are given, one labelled as Assertion (A) and the other is labelled as Reason (R). Select the correct answer to these questions from the codes (a), (b), (c), and (d) as given below:
[1]19.

Assertion (A): The polynomial p(y) = y2 + 4y + 3 has two zeroes.

Reason (R): A quadratic polynomial can have at most two zeroes.

Both, Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).

Both, Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the 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): The probability that a leap year has 53 Sundays is `2/7`.

Reason (R): The probability that a non-leap year has 53 Sundays is `5/7`.

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
Question numbers 21 to 25 are Very Short Answer (VSA) type questions, carrying 2 marks each.
[2]21.

Do the points P (1, 0), Q (−5, 0) and R (−2, 5) form a triangle? If so, name the type of triangle formed.

Concept: undefined - undefined
Chapter:
[2]22. (A)

If `tan theta = 24/7`, find that sin θ + cos θ.

Concept: undefined - undefined
Chapter: [9] Introduction to Trigonometry
OR
[2]22. (B)

If cot θ = `7/8` evaluate `((1+sin θ )(1-sin θ))/((1+cos θ)(1-cos θ))`.

Concept: undefined - undefined
Chapter: [9] Introduction to Trigonometry
[2]23.

Two concentric circles are of radii 5 cm and 4 cm. Find the length of the chord of the larger circle which touches the smaller circle.

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

Find a quadratic polynomial whose zeroes are `(5 - 2sqrt3) and (5 + 2sqrt3)`.

Concept: undefined - undefined
Chapter:
[2]25. (A)

In the given figure, ABC is a triangle in which DE || BC. If AD = x, DB = x – 2, AE = x + 2 and EC = x – 1, then find the value of x.

Concept: undefined - undefined
Chapter:
OR
[2]25. (B)

In the figure given above, Δ АВС ~ Δ XYZ, then find the values of x and y.

Concept: undefined - undefined
Chapter:
SECTION - C
Question numbers 26 to 31 are Short Answer (SA) type questions, carrying 3 marks each.
[3]26. (A)

If x = h + a cos θ, y = k + b sin θ.

Prove that `((x - h)/a)^2 + ((y - k)/b)^2 = 1`.

Concept: undefined - undefined
Chapter: [9] Introduction to Trigonometry
OR
[3]26. (B)

Prove that:

`(tan A)/(1 + sec A) - (tan A)/(1 - sec A)` = 2 cosec A

Concept: undefined - undefined
Chapter:
[3]27. (A)

In the given figure, Δ ABC is a right triangle in which ∠ B = 90°, AB = 4 cm and BC = 3 cm. Find the radius of the circle inscribed in the triangle ABC.

Concept: undefined - undefined
Chapter:
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OR
[3]27. (B)

In the given figure, if a circle touches the side QR of Δ PQR at S and extended sides PQ and PR at M and N respectively, then prove that:

PM = `1/2` (PQ + QR + PR)

Concept: undefined - undefined
Chapter:
[3]28.

A right circular cylinder and a right circular cone have equal bases and equal heights. If their curved surfaces are in the ratio 8 : 5, determine the ratio of the radius of the base to the height of either of them.

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

Two different coins are tossed simultaneously. What is the probability of getting:

  1. at least one head?
  2. at most one tail?
  3. a head and a tail?
Concept: undefined - undefined
Chapter:
[3]30.

Prove that `sqrt(3)` is an irrational number.

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

Find the ratio in which the x-axis divides the line segment joining the points (−6, 5) and (−4, −1), Also, find the point of intersection.

Concept: undefined - undefined
Chapter:
SECTION - D
Question numbers 32 to 35 are Long Answer (LA) type questions, carrying 5 marks each.
[5]32. (A)

State and prove Basic Proportionality theorem.

Concept: undefined - undefined
Chapter:
[2.5]32. (B) (i)

In the given figure, CM and RN are respectively the medians of ΔABC and ΔPQR. If ΔABC ∼ ΔPQR, then prove that ΔAMC ∼ ΔPNR.

Concept: undefined - undefined
Chapter:
[2.5]32. (B) (ii)

In the given figure, CM and RN are respectively the medians of Δ ABC and Δ PQR. If Δ ABC ~ Δ PQR, then prove that Δ CMB ~ Δ RNQ.

Concept: undefined - undefined
Chapter:
[5]33.

The marks obtained by 80 students of class X in a mock test of Mathematics are given below in the table. Find median and the mode of 5 the data:

Marks Number of Students
0 and above 80
10 and above 77
20 and above 72
30 and above 65
40 and above 55
50 and above 43
60 and above 28
70 and above 16
80 and above 10
90 and above 8
100 and above 0
Concept: undefined - undefined
Chapter:
[5]34.

Draw the graph of the pair of linear equations x − y + 2 = 0 and 4x − y − 4 = 0. Calculate the area of the triangle formed by the lines so drawn and the x-axis.

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

A fast train takes one hour less than a slow train for a journey of 200 km. If the speed of the slow train is 10 km/hr less than that of the fast train, find the speed of the two trains.

Concept: undefined - undefined
Chapter: [4] Quadratic Equations
OR
[5]35. (B)

Sum of the areas of two squares is 640 m2. If the difference of their perimeters is 64 m. Find the sides of the two squares.

Concept: undefined - undefined
Chapter: [4] Quadratic Equations
SECTION - E
Question numbers 36 to 38 are Case Study Based questions, carrying 4 marks each.
[4]36.

A brooch is crafted from silver wire in the shape of a circle with a diameter of 35 cm. The wire is also used to create 5 diameters, dividing the circle into 10 equal sectors as shown in figure.

Based on the above information, answer the following questions:

  1. What is the radius of circle?   1
  2. What is the circumference of the brooch?   1
    1. What is the total length of silver wire required?  2
      OR
    2. What is the area of each sector of the brooch?  2
Concept: undefined - undefined
Chapter:
[4]37.

In a potato race, a bucket is placed at the starting point, which is 5 m from the first potato. The other potatoes are arranged 3 m apart in a straight line, with a total of 10 potatoes, as shown in the figure:

A competitor starts from the bucket, picks up the nearest potato, runs back to the bucket to drop it in, then returns to pick up the next potato. This process continues until all the potatoes are in the bucket.

Based on the above information, answer the following questions:

  1. What is the distance covered to pick up the first potato and drop it in bucket?    1
  2. What is the distance covered to pick up the second potato and drop it in bucket?    1
    1. What is the total distance the competitor has to run?    2
      OR
    2. If average speed of competitor is 5 m/s, then find the average time taken by competitor to put all the potatoes in the bucket.    2
Concept: undefined - undefined
Chapter:
[4]38.

Radio towers are used for transmitting a range of communication services including radio and television. The tower will either act as an antenna itself or support one or more antennas on its structure. On a similar concept, a radio station tower was built in two sections ‘A’ and ‘B’. Tower is supported by wires from a point ‘O’ (as shown in figure).

Distance between the base of the tower and point ‘O’ is 6 m. From point ‘O’, the angle of elevation of the top of the section ‘B’ is 30° and the angle of elevation of the top of section ‘A’ is 60°.

Based on the above information, answer the following questions:

  1. Find the length of the wire from the point ‘O’ to the top of section ‘B’.    1
  2. Find the length of the wire from the point ‘O’ to the top of section ‘A’.    1
    1. Find the distance AB.    2
      OR
    2. Find the area of Δ OРВ.    2
Concept: undefined - undefined
Chapter:

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