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CBSE Class 10 Maths Standard 2026 Question Paper 30/4/1 with Solutions

All 44 questions from the CBSE Class 10 Mathematics Standard board paper, Set 30/4/1 (2026), with answers and step-by-step solutions. Total 80 marks. Tap “Show answer & solution” under any question.

Set 30/1/1Set 30/1/2Set 30/1/3Set 30/2/1Set 30/2/2Set 30/2/3Set 30/3/1Set 30/3/2Set 30/3/3Set 30/4/1Set 30/4/2Set 30/4/3Set 30/5/1Set 30/5/2Set 30/5/3

If the quadratic equation has real and equal roots, then the value of k is

  1. (A)3
  2. (B)
  3. (C)
  4. (D)
Show answer & solution
Answer: (A) 3
  1. For equal roots, .
  2. Both 3 and are valid; option (A) 3 (option (B) is also correct).
Also asked in: 2026 Standard 30/4/3
Q21 markMCQTriangles

It is given that . Which of the following is not true ?

  1. (A)
  2. (B)
  3. (C)
  4. (D)
Show answer & solution
Answer: (C)
  1. gives the correspondence , , .
  2. So , not .
  3. (A), (B) and (D) follow from .
  4. Hence (C) is not true.

The term of an A.P. is . Its common difference is

  1. (A)
  2. (B)
  3. (C)1
  4. (D)
Show answer & solution
Answer: (A)
Q41 markMCQCircles

If PQ and PR are tangents to the circle with centre O and radius 4 cm such that , then the length OP is

Diagram for CBSE 2026 Class 10 Maths question 4
  1. (A)4 cm
  2. (B) cm
  3. (C)8 cm
  4. (D) cm
Show answer & solution
Answer: (B) cm
  1. and , with , so OQPR is a square of side 4 cm.
  2. OP is its diagonal: cm.
Also asked in: 2026 Standard 30/4/2
Q51 markMCQPolynomials

Observe the graph of polynomial . Number of zeroes of is

Diagram for CBSE 2026 Class 10 Maths question 5
  1. (A)5
  2. (B)4
  3. (C)6
  4. (D)3
Show answer & solution
Answer: (D) 3
  1. The number of zeroes equals the number of points where the graph meets the x-axis.
  2. The curve cuts the x-axis at 3 points, so has 3 zeroes.
Also asked in: 2026 Standard 30/4/2
Q61 markMCQTriangles

In the given figure, . If and AC = 6 cm, then length AE is

Diagram for CBSE 2026 Class 10 Maths question 6
  1. (A)1.5 cm
  2. (B)1 cm
  3. (C)2 cm
  4. (D)3 cm
Show answer & solution
Answer: (A) 1.5 cm
  1. By BPT, .
  2. So cm.
Also asked in: 2026 Standard 30/4/3

In the given figure, a circle is centred at (1, 2). The diameter of the circle is

Diagram for CBSE 2026 Class 10 Maths question 7
  1. (A)4
  2. (B)
  3. (C)
  4. (D)
Show answer & solution
Answer: (D)
  1. The circle passes through the origin O(0, 0).
  2. Radius
  3. Diameter

The value of k for which the system of linear equations and is inconsistent, is

  1. (A)
  2. (B)
  3. (C)
  4. (D)3
Show answer & solution
Answer: (B)
  1. Inconsistent: .
  2. Check: , so the system is inconsistent.
Also asked in: 2026 Standard 30/4/2

A circle is divided into 16 identical sectors. If radius of the circle is 7 cm, area of each sector is

  1. (A) cm
  2. (B)77 cm
  3. (C)154 cm
  4. (D) cm
Show answer & solution
Answer: (D) cm
  1. Area of circle cm
  2. Area of each sector cm
Also asked in: 2026 Standard 30/4/3
Q101 markMCQProbability

Two different dice are rolled together. The probability that both the obtained numbers are less than 4, is

  1. (A)
  2. (B)
  3. (C)
  4. (D)
Show answer & solution
Answer: (C)
  1. Total outcomes = 36.
  2. Each die must show 1, 2 or 3: favourable outcomes .
  3. P
Also asked in: 2026 Standard 30/4/2

When , the value of is

  1. (A)
  2. (B)
  3. (C)
  4. (D)3
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Answer: (B)

equals to :

  1. (A)
  2. (B)
  3. (C)
  4. (D)
Show answer & solution
Answer: (A)

Three tennis balls are just packed in a cylindrical jar. If radius of each ball is r, volume of air inside the jar is

Diagram for CBSE 2026 Class 10 Maths question 13
  1. (A)
  2. (B)
  3. (C)
  4. (D)
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Answer: (A)
  1. The jar has radius r and height 6r.
  2. Volume of jar
  3. Volume of 3 balls
  4. Volume of air
Q141 markMCQCircles

PQ is tangent to a circle with centre O. If , then is

Diagram for CBSE 2026 Class 10 Maths question 14
  1. (A)
  2. (B)
  3. (C)
  4. (D)
Show answer & solution
Answer: (C)
  1. SP is a diameter and R lies on the circle, so .
  2. (tangent radius).
  3. In :

The distance between the points and is

  1. (A)
  2. (B)
  3. (C)
  4. (D)
Show answer & solution
Answer: (A)
  1. , so
Also asked in: 2026 Standard 30/4/3

An ice-cream cone of radius r and height h is completely filled by two spherical scoopes of ice-cream. If radius of each spherical scoop is , then h : 2r equals

  1. (A)1 : 8
  2. (B)1 : 2
  3. (C)1 : 1
  4. (D)2 : 1
Show answer & solution
Answer: (B) 1 : 2
  1. Volume of cone = volume of two scoops:
  2. So .
  3. h : 2r = r : 2r = 1 : 2

Arc PQ subtends an angle at the centre of the circle with radius 6.3 cm. If cm, then the value of is

  1. (A)
  2. (B)
  3. (C)
  4. (D)
Show answer & solution
Answer: (D)
  1. Arc length
Q181 markMCQStatistics

Mean and Median of a frequency distribution are 43 and 40 respectively. The value of mode is

  1. (A)34
  2. (B)43
  3. (C)38.5
  4. (D)41.5
Show answer & solution
Answer: (A) 34
  1. Mode = 3 Median 2 Mean
Q191 markAssertion–ReasonProbability

Assertion (A) : If probability of happening of an event is 0.2p, , then p can't be more than 5.
Reason (R) : for an event E.

  1. (A)Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
  2. (B)Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
  3. (C)Assertion (A) is true, but Reason (R) is false.
  4. (D)Assertion (A) is false, but Reason (R) is true.
Show answer & solution
Answer: (B) Both A and R are true, but R is not the correct explanation of A.
  1. Since , . So A is true.
  2. is true for any event E, so R is true.
  3. But A follows from , not from R. So R does not explain A.
Q201 markAssertion–ReasonReal Numbers

Assertion (A) : is an irrational number.
Reason (R) : Sum of the any two irrational numbers is always irrational.

  1. (A)Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
  2. (B)Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
  3. (C)Assertion (A) is true, but Reason (R) is false.
  4. (D)Assertion (A) is false, but Reason (R) is true.
Show answer & solution
Answer: (C) A is true, but R is false.
  1. If (rational), then , giving , rational: a contradiction. So A is true.
  2. R is false: e.g. is rational.
Q212 marksVery Short AnswerQuadratic Equations

Verify that roots of the quadratic equation are equal when .

Show answer & solution
Answer: Proved.
  1. Given , so .
  2. Then and .
  3. Since , the roots are equal.
Q222 marksVery Short AnswerTriangles

D is a point on the side BC of such that . Show that .

Diagram for CBSE 2026 Class 10 Maths question 22
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Answer: Proved.
  1. In and :
  2. (given) and is common.
  3. So (AA similarity).
  4. Hence , i.e. .
Q232 marksVery Short AnswerIntroduction to Trigonometry

Prove that :

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Answer: Proved.
  1. Multiply numerator and denominator inside the root by :
  2. LHS
  3. (as and for acute A)
  4. = RHS
OR
Q23 (OR) (OR)2 marksVery Short AnswerIntroduction to Trigonometry

Evaluate :

Show answer & solution
Answer:
  1. , ,
  2. Numerator
  3. Denominator
  4. Value
Also asked in: 2026 Standard 30/4/2
Q242 marksVery Short AnswerReal Numbers

Prove that is an irrational number given that is irrational number.

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Answer: Proved.
  1. Suppose , where r is rational.
  2. Then , which is rational.
  3. This contradicts that is irrational.
  4. Hence is irrational.
OR
Q24 (OR) (OR)2 marksVery Short AnswerReal Numbers

If the HCF of 210 and 55 is expressed as , then find the value of m.

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Answer:
  1. , , so HCF = 5.
Q252 marksVery Short AnswerPolynomials

and are the zeroes of the polynomial . Find the value of .

Show answer & solution
Answer:
  1. ,
Also asked in: 2026 Standard 30/4/3

In a class test, Veer scored 6 more than twice as many marks as Kevin scored. If one of them had scored 4 more marks, their total score would have been 40. Find the marks obtained by Veer and Kevin.

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Answer: Veer: 26 marks, Kevin: 10 marks
  1. Let Veer score x marks and Kevin score y marks.
  2. ... (1)
  3. If one of them scored 4 more, total = 40: ... (2)
  4. Substituting (1) in (2):
  5. Veer scored 26 and Kevin scored 10.
OR
Q26 (OR) (OR)3 marksShort AnswerPair of Linear Equations in Two Variables

Solve the linear equations and graphically.

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Answer: ,
  1. For : points (4, 2), (3, 5), (5, ).
  2. For : points (0, 2), (2, 2), (4, 2); a line parallel to the x-axis.
  3. Plot both lines on the same axes.
  4. They intersect at (4, 2).
  5. Solution: , .
Q273 marksShort AnswerAreas Related to Circles

Chord AB of a circle with centre O and radius 21 mm subtends an angle of at the centre. Find the perimeters of the shaded region. (Use )

Diagram for CBSE 2026 Class 10 Maths question 27
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Answer: 80.33 mm
  1. The shaded region is the minor segment bounded by arc AB and chord AB.
  2. Arc AB mm
  3. Draw : ,
  4. mm
  5. Perimeter mm
Q283 marksShort AnswerIntroduction to Trigonometry

Prove that :

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Answer: Proved.
  1. Divide numerator and denominator of LHS by :
  2. LHS
  3. Write in the numerator:
  4. Numerator
  5. LHS
  6. = RHS
Also asked in: 2024 Standard 30/4/1
Q293 marksShort AnswerSurface Areas and Volumes

To protect plants from heat, a shed of iron rods covered with green cloth is made. The lower part of the shed is a cuboid mounted by semi-cylinder as shown in the figure. Find the area of the cloth required to make this shed, if dimensions of the cuboid are 14 m 25 m 16 m

Diagram for CBSE 2026 Class 10 Maths question 29
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Answer: 1952 m
  1. Cloth covers the four walls of the cuboid, the curved surface of the semi-cylinder and its two semicircular ends (not the floor).
  2. Radius of semi-cylinder m, length m.
  3. Four walls m
  4. Curved surface of semi-cylinder m
  5. Two semicircular ends m
  6. Total cloth m
OR
Q29 (OR) (OR)3 marksShort AnswerSurface Areas and Volumes

The internal and external radii of a hollow hemisphere are cm and 10 cm respectively. A cone of height cm and radius cm is surmounted on the hemisphere as shown in the figure. Find the total surface area of the object in terms of . (Use )

Diagram for CBSE 2026 Class 10 Maths question 29 (OR)
Show answer & solution
Answer: cm
  1. Outer curved surface of hemisphere
  2. Ring at the rim
  3. Slant height of cone cm
  4. Curved surface of cone
  5. The cone closes the hollow, so the inner surface is not exposed.
  6. Total surface area cm
Q303 marksShort AnswerProbability

A bag contains 30 balls out of which ‘m’ number of balls are blue in colour.
(i) Find the probability that a ball drawn at random from the bag is not blue.
(ii) If 6 more blue balls are added in the bag, then the probability of drawing a blue ball will be times the probability of drawing a blue ball in the first case. Find the value of m.

Show answer & solution
Answer: (i) (ii)
  1. (i) P(not blue)
  2. (ii) Now there are 36 balls, blue.
Q313 marksShort AnswerReal Numbers

Find the greatest number less than 10,000 which is exactly divisible by 48, 60 and 65.

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Answer: 9360
  1. , ,
  2. LCM
  3. Required number is the greatest multiple of 3120 below 10,000.
  4. and
  5. Answer: 9360
Q325 marksLong AnswerQuadratic Equations

A person on tour has ₹ 5,400 for his expenses. If he extends his tour by 5 days, he has to cut down his daily expenses by ₹ 180. Find the original duration of the tour and daily expense.

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Answer: 10 days; ₹ 540 per day
  1. Let the original duration be x days. Daily expense .
  2. (x cannot be negative)
  3. Daily expense
OR
Q32 (OR) (OR)5 marksLong AnswerQuadratic Equations

The total cost of certain piece of cloth was ₹ 2,100. During special sale time, the shopkeeper offered 2 m extra cloth for free thus reducing the price of cloth per metre by ₹ 120. What was the original per metre price of cloth and its length ?

Show answer & solution
Answer: Length 5 m; original price ₹ 420 per metre
  1. Let the original length be x m. Original price per metre .
  2. Price per metre
Q335 marksLong AnswerCircles

In the given figure, TP and TQ are tangents to a circle with centre M, touching another circle with centre N at A and B respectively. It is given that MQ = 13 cm, NB = 8 cm, BQ = 35 cm and TP = 80 cm.
(i) Name the quadrilateral MQBN. (1)
(ii) Is MN parallel to PA ? Justify your answer. (1)
(iii) Find length TB. (1)
(iv) Find length MN. (2)

Diagram for CBSE 2026 Class 10 Maths question 33
Show answer & solution
Answer: (i) Trapezium (ii) No (iii) TB = 45 cm (iv) MN = cm
  1. (i) and , so ; MQBN is a trapezium (right trapezium).
  2. (ii) and , so . If also , MPAN would be a parallelogram and MP = NA; but MP = 13 cm NA = 8 cm. So MN is not parallel to PA.
  3. (iii) Tangents from T: TQ = TP = 80 cm, so TB = TQ BQ = 80 35 = 45 cm.
  4. (iv) Draw . Then LQ = NB = 8, ML = 13 8 = 5 cm and NL = BQ = 35 cm.
  5. cm

A kite is flying at a height of 60 m above the ground level. Ravi, standing at the roof of the house is holding the string straight and observes the angle of elevation of kite as . From the bottom of the same building, the angle of elevation of kite is . Find the length of the string and height of roof from the ground. (Use )

Show answer & solution
Answer: Length of string = 69.2 m; height of roof = 25.4 m
  1. Let the building be AB (B at the ground, A at the roof) of height h, the kite at K, 60 m above the ground, and d the horizontal distance of the kite from the building.
  2. From B: m
  3. From A:
  4. m
  5. String m
Q355 marksLong AnswerStatistics

The median of the following data is 50 and sum of all frequencies is 90 :

Class :20 – 3030 – 4040 – 5050 – 6060 – 7070 – 8080 – 90
Frequency :p152520q810

Find the values of p and q.

Show answer & solution
Answer: p = 5, q = 7
  1. Median 50 lies in class 50 – 60: l = 50, f = 20, h = 10, cf = p + 40, N/2 = 45
  2. q = 12 5 = 7
OR
Q35 (OR) (OR)5 marksLong AnswerStatistics

Find mean and mode of the following distribution :

Class :0 – 1515 – 3030 – 4545 – 6060 – 7575 – 9090 – 105
Frequency :4811141076
Show answer & solution
Answer: Mean = 53.25; Mode =
  1. Class marks: 7.5, 22.5, 37.5, 52.5, 67.5, 82.5, 97.5
  2. Mean
  3. Modal class 45 – 60: l = 45, , , , h = 15
  4. Mode
Q364 marksCase StudyTriangles

Carom board is a very popular game. The board is a square of side length 65 cm. It has circular pockets in each corner.
Ansh strikes a disc, kept at position P with a striker. The disc, hits the boundary of the board at R and goes straight to pocket at corner C. It is given that PS = 9 cm, PQ = 35 cm, BR = , and .
Based on the above information, answer the following questions :
(i) Using law of reflection i.e. , prove that . (1)
(ii) Prove that given that PQ is perpendicular to AB. (1)
(iii) (a) Find the value of using similarity of triangles. (2)
OR (b) If , then find the value of .

Diagram for CBSE 2026 Class 10 Maths question 36
Show answer & solution
Answer: (i) Proved. (ii) Proved. (iii) (a) cm OR (b) cm
  1. (i) RT is perpendicular to AB at R, so and . As , .
  2. (ii) In and : and (part (i)). So (AA).
  3. (iii)(a) AQ = PS = 9 cm, so .
  4. cm
  5. (iii)(b) For similar triangles the area ratio equals the square of the ratio of corresponding sides, so , i.e. , giving cm.
Q374 marksCase StudyArithmetic Progressions

‘Kolam’ is a decorative art which is made with rice flour in South Indian States. It is drawn on grid pattern of dots. One such art work is shown below.
Observe the given figure carefully. There are 4 dots in first square, 8 dots in second square, 12 dots in third square and so on.
Based on the above, answer the following questions :
(i) Show that number of dots given above form an A.P. Write the first term and common difference. (1)
(ii) Write term of the A.P. formed. (1)
(iii) (a) The pattern is expanded on a large ground. If total 220 dots are used, then find the number of squares formed. (2)
OR (b) Is it possible to complete n number of squares using 100 dots ? If yes, then find the value of n.

Show answer & solution
Answer: (i) 4, 8, 12, ... is an A.P. with a = 4, d = 4 (ii) (iii) (a) 10 squares OR (b) No
  1. (i) 8 4 = 12 8 = 4, a constant difference, so 4, 8, 12, ... is an A.P. with a = 4, d = 4.
  2. (ii)
  3. (iii)(a)
  4. squares
  5. (iii)(b)
  6. is not a perfect square, so n is not a natural number. Not possible.
Q384 marksCase StudyCoordinate Geometry

Observe the map of Jaipur city placed on a Cartesian plane. Taking Rambagh Palace as origin, the location of some places are given below :
Point A : Rajasthan High Court
Point B : Birla Mandir
Point C : Heera Bagh
Point D : Amar Jawan Jyoti
Based on the above, answer the following questions :
(i) Advocate Rehana stays at Heera Bagh. How much distance she has to cover daily to go to the court and coming back home ? (1)
(ii) There is a crossing on X-axis which divides AD in a certain ratio. Find the ratio. (1)
(iii) (a) Is Birla Mandir equidistant from Heera Bagh and Amar Jawan Jyoti ? Justify your answer. (2)
OR (b) Using section formula, show that points A, O and B are not collinear.

Show answer & solution
Answer: (i) units (ii) 1 : 1 (iii) (a) No (BC = 7, BD = ) OR (b) Shown: O does not lie on AB
  1. (i) ; to and fro: units.
  2. (ii) Let the point on the x-axis divide AD in ratio k : 1. y-coordinate: . Ratio 1 : 1.
  3. (iii)(a) , . As , B is not equidistant from C and D.
  4. (iii)(b) If O(0, 0) lies on AB, let it divide AB in ratio k : 1. x: .
  5. Then y . No single ratio works, so A, O and B are not collinear.
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