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Mathematics Basic - 430/1/2 2025-2026 English Medium Class 10 Question Paper Solution

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Mathematics [Basic - 430/1/2]
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 - Section A, B, C, D and E.
  3. In Section A, questions numbers 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 numbers 21 to 25 are very short answer (VSA) type questions, carrying 2 marks each.
  5. In Section C, question numbers 26 to 31 are short answer (SA) type questions, carrying 3 marks each.
  6. In Section D, question numbers 32 to 35 are long answer (LA) type questions, carrying 5 marks each.
  7. In Section E, question numbers 36 to 38 are case-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.

Which of the following equations is/are quadratic equation(s)?

q1: (y + 1)2 = 2y

q2: (y – 1)2 = y2

q3: (y + 1)3 = (y – 1)3

`q_4: 1 + sqrt(y) = (sqrt(y) + 1)^2`

q1, q2 and q4

q1 and q2

q1, q3 and q4

q1 and q3

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

The discriminant of the quadratic equation ax2 + x + a = 0 is ______.

`sqrt(1 - 4a^2)`

1 – 4a2

4a2 – 1

`sqrt(4a^2 - 1)`

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

The end points of the diameter AB of a circle are A(4, 0) and B(0, –4). The length of the diameter is ______.

3 units

8 units

`sqrt(8)` units

`sqrt(32)` units

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

In the adjoining figure, if ΔAOB ~ ΔCOD, then which of the following is true?

AO.OB = OC.OD

AO.CD = OC.AB

AO.AB = OC.CD

AO.OC = OB.OD

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

In the adjoining figure, if EA || SR and PE = x cm, then the value of 5x is:

2.4 cm

12 cm

1.35 cm

6.75 cm

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

Which of the following graphs represents a polynomial with both zeroes being positive?

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

The system of equations x = 2 and x = 3 has:

unique solution (2, 3)

two solutions (2, 0) and (3, 0)

no solution

infinitely many solutions

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

If the numbers 2p + 1, 3p + 2, 4p + 3 are in A.P., then the common difference is ______.

p

1

p + 1

0

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

Which of the following statements is not true?

sin 0° = cos 0°

tan 30° = cot 60°

sin 30° = cos 60°

`sin 45^circ = 1/(sec 45^circ)`

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

If `2 sin 2θ = sqrt(2)`, then the value of θ is ______.

90°

60°

45°

`(22 1/2)^circ`

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

In the adjoining figure, the angle of elevation of the point C from the point B, is:

30°

45°

22.5°

67.5°

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

In the adjoining figure, the slant height of the conical part is:

4 cm

7 cm

5 cm

25 cm

Concept: undefined - undefined
Chapter:
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[1]13.
Class 0 – 10 10 – 20 20 – 30 30 – 40 40 – 50
Frequency 3 5 7 9 11

The upper limit of the median class of the above data is:

10

20

30

40

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

If for a data, median is 5 and mode is 4, then mean is equal to ______.

7

11

`11/2`

`14/3`

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

The LCM of 22.33 and 32.23 is ______.

1

21.31

23.33

25.35

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

A letter is selected from the letters of the word FEBRUARY. The probability that it is a vowel is ______.

`1/8`

`2/8`

`3/8`

`3/7`

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

Which of the following numbers will not end with 0 for any natural number n?

4n

4n

3n + 1

10n + 1

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

The system of linear equations px + qy = r and p1x + q1y = r1 has a unique solution, if:

pq ≠ p1q1

pp1 ≠ qq1

pq1 ≠ qp1

pqr ≠ p1q1r1

Concept: undefined - undefined
Chapter:
Question 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): 7 × 2 + 3 is a composite number.

Reason (R): A composite number has more than two factors.

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, but Reason (R) is not the correct explanation of Assertion (А).

Assertion (A) is true, but Reason (R) is false.

Assertion (A) is false, but Reason (R) is true.

Concept: undefined - undefined
Chapter:

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