CBSE Class 10 Maths Standard 2026 Question Paper 30/3/2 with Solutions

Given that $\sin 2\alpha =\frac{\sqrt{3}}{2}$, the value of $\sin 3\alpha$ is :

1. (A)$\frac{3\sqrt{3}}{4}$
2. (B)$\frac{1}{2}$
3. (C)1
4. (D)$\frac{\sqrt{3}}{4}$

The median and mode of a distribution are 25.2 and 26.1 respectively. The mean of the distribution is :

1. (A)24.75
2. (B)24.25
3. (C)24.3
4. (D)25.5

If the length of the shadow of a tower is $\sqrt{3}$ times that of its height, then altitude of the Sun is :

1. (A)$45^{\circ }$
2. (B)$30^{\circ }$
3. (C)$60^{\circ }$
4. (D)$15^{\circ }$

If the roots of the quadratic equation $\sqrt{3}{x}^2-kx+2\sqrt{3}=0$ are real and equal, then the value(s) of $k$ is/are :

1. (A)$\pm \sqrt{24}$
2. (B)0
3. (C)4
4. (D)– 5

It is given that $\Delta$ ABC ~ $\Delta$ QRP such that AB = 9 cm, BC = 5 cm and PR = 2 cm. Length of side QR is :

1. (A)0.9 cm
2. (B)$\frac{5}{18}$ cm
3. (C)$\frac{10}{9}$ cm
4. (D)3.6 cm

The sum and product of zeroes of a quadratic polynomial p(x) are $\frac{-1}{3}$ and 2 respectively. The polynomial p(x) is :

1. (A)$3x^2-x+6$
2. (B)$x^2+\frac{1}{3}x-2$
3. (C)$3x^2-x+2$
4. (D)$-3x^2-x-6$

The roots of the quadratic equation $4x^2-(a-1{)}^2=0$ are :

1. (A)$a-1,a+1$
2. (B)$\frac{a-1}{2},\frac{-a+1}{2}$
3. (C)$\frac{a-1}{2},\frac{-a-1}{2}$
4. (D)$\pm (a-1)$

In the given figure, PT is a tangent to the circle with centre O and radius r. If $\angle POT=45^{\circ }$, then the length of OP is :

1. (A)$r\sqrt{2}$
2. (B)$\sqrt{2r}$
3. (C)2r
4. (D)$r^2$

Three coins are tossed together. The probability of getting exactly one head, is :

1. (A)$\frac{1}{8}$
2. (B)$\frac{3}{4}$
3. (C)$\frac{1}{2}$
4. (D)$\frac{3}{8}$

The number of multiples of 4 lying between 12 and 250 is :

1. (A)59
2. (B)59.5
3. (C)60
4. (D)61

The value of $\left(\frac{1}{3}{\cot }^{2}30^{\circ }-\frac{1}{2}{\sec }^{2}60^{\circ }\right)$ is :

1. (A)– 1
2. (B)– 2
3. (C)$\frac{5}{8}$
4. (D)$\frac{7}{8}$

In the given figure, $\Delta$ ABC is an equilateral triangle. AD is a median of the triangle joining the points A$\left(0,\frac{5\sqrt{3}}{2}\right)$, D(0, 0). Points B and C are (in same order) :

1. (A)(– 5, 0), (5, 0)
2. (B)$\left(-\frac{5}{2},0\right),\left(\frac{5}{2},0\right)$
3. (C)(– 10, 0), (10, 0)
4. (D)$(-5\sqrt{3},0),(5\sqrt{3},0)$

The $n^{th}$ term of the A.P. $\frac{-1}{3},\frac{2}{3},\frac{5}{3},\frac{8}{3},...$ is :

1. (A)$3n-4$
2. (B)$n-\frac{4}{3}$
3. (C)$\frac{n-2}{3}$
4. (D)$\frac{n-4}{3}$

PA and PB are tangents to a circle centred at O. If $\angle PBA=65^{\circ }$, then $\angle APB$ equals :

1. (A)$65^{\circ }$
2. (B)$60^{\circ }$
3. (C)$50^{\circ }$
4. (D)$35^{\circ }$

A cone of maximum size is carved out from a solid cube of edge length $l$. The volume of the cone is :

1. (A)$\frac{\pi l^3}{12}$
2. (B)$\frac{\pi l^3}{3}$
3. (C)$l^3\left(1-\frac{\pi }{3}\right)$
4. (D)$\frac{\pi l^3}{8}$

Equation of another line parallel to the line represented by $2x-6y=7$ is :

1. (A)$y=3x-7$
2. (B)$2x=9-6y$
3. (C)$x-3y=7$
4. (D)$x=\frac{7}{2}-3y$

In $\Delta$ DEF, AB $\parallel$ EF. The value of $x$ is :

1. (A)0, 2
2. (B)2 only
3. (C)– 2
4. (D)1

$(3\times 11\times 13+3)$ is :

1. (A)a prime number
2. (B)divisible by 13
3. (C)a composite number
4. (D)an odd number

Assertion (A) : Radius is the smallest distance of a tangent from the centre of the circle.
Reason (R) : Radius is perpendicular to the tangent.

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 the Assertion (A).
3. (C)Assertion (A) is true, but Reason (R) is false.
4. (D)Assertion (A) is false, but Reason (R) is true.

Assertion (A) : $\tan 2\theta$ is not defined at $\theta =45^{\circ }$.
Reason (R) : $\sin 90^{\circ }\ne \cos 90^{\circ }$.

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 the Assertion (A).
3. (C)Assertion (A) is true, but Reason (R) is false.
4. (D)Assertion (A) is false, but Reason (R) is true.

Diagonals AC and BD of square ABCD intersect at P. Coordinates of points B and D are (9, – 2) and (1, 6) respectively.
(i) Find the co-ordinates of point P.
(ii) Find the length of the side of the square.

Find the coordinates of a point on the line $x+y=5$ which is equidistant from (6, 4) and (5, 2).

Two right triangles PRQ and PSQ are drawn on the same hypotenuse PQ. If PR and QS intersect at T, prove that ST $\times$ TQ = PT $\times$ TR.

Find the length of the plank that can be used to measure the lengths 4 m 20 cm and 5 m 4 cm exactly, in the least time.

In an A.P., the first term is 32 and the last term is – 10. If the common difference is – 2, then find the number of terms and their sum.

Find the sum of the first 28 terms of an A.P. whose $n^{th}$ term is given by $a_n=3n-2$.

1000 small thermocol balls of radius 0.5 cm are kept in a spherical balloon of radius 20 cm. Find the volume of air in the balloon.

Find two consecutive negative integers, sum of whose squares is 481.

A point P divides the line segment joining the points A(– 3, 5) and B(7, – 4) in a certain ratio. If the point P lies on the line y = 2x, then find the ratio AP : PB and coordinates of point P.

If $\sin \theta +\cos \theta =\sqrt{3}$, then prove that
$\tan \theta +\cot \theta =1$

Prove that :
$(\sin A+\sec A{)}^2+(\cos A+\text{cosec}A{)}^2=(1+\sec A\text{ cosec}A{)}^2$

In the given figure, chord AB subtends an angle of $120^{\circ }$ at the centre of the circle with radius 7 cm. Find (i) perimeter of major sector OACB, and (ii) area of the shaded segment, if area of $\Delta$ OAB = 21.2 cm${}^2$.

Two tangents PA and PB are drawn to a circle with centre O from an external point P. Prove that $\angle APB=2\angle OAB$.

In the given figure, PA is the tangent to the circle with centre O such that OA = 10 cm, AB = 8 cm and AB $\perp$ OP. Find the length of PB.

Prove that $\sqrt{3}$ is an irrational number.

A vertical tower stands on a horizontal plane and is surmounted by a vertical flagstaff. From a point on the ground 30 m away from the tower, wires are attached to the top and bottom of the flagstaff making angles of elevation $60^{\circ }$ and $30^{\circ }$ respectively. Find the height of the tower and lengths of the wires attached. (Take $\sqrt{3}$ = 1.73)

The median of the following data is 137. Find the values of x and y, given that total of frequencies is 68.
Class: 65 – 85, 85 – 105, 105 – 125, 125 – 145, 145 – 165, 165 – 185, 185 – 205
Frequency: 4, 5, x, 20, 14, y, 4

Find mean and mode of the following distribution :
Class: 0 – 10, 10 – 20, 20 – 30, 30 – 40, 40 – 50, 50 – 60, 60 – 70
Frequency: 3, 6, 11, 10, 13, 3, 4

In $\Delta$ ABC, AD is a median. X is a point on AD such that AX : XD = 2 : 3. BX is extended so that it intersects AC at Y. Prove that BX = 4 XY.

Solve the following system of equations graphically :
$2x+3y=5$, $-3x+y=-2$

The sum of the digits of a 2-digit number is 11. The number obtained by interchanging its digits exceeds the given number by 9. To know the number :
(i) form the linear equations representing the above situation.
(ii) verify that the equations have a unique solution.
(iii) solve the equations to get the given 2-digit number.

A group of friends wanted to play cards with two identical packs together. While shuffling the cards, three cards are dropped. Rest of the cards are shuffled and one card is drawn at random. Assuming that the dropped cards were a queen of hearts, a ten of spades and an ace of clubs, answer the following questions :
(i) Find the probability that the drawn card is a face card. (1)
(ii) Find the probability that the drawn card is either a king or a queen. (1)
(iii) (a) Do you think that the probability of getting a queen was higher if none of the cards were dropped ? Justify your answer. (2)
OR (iii) (b) Find the probability that the drawn card is a jack. Compare it with the probability when none of the cards were dropped. In which case is the probability of getting a jack higher ? (2)

A model of Leafy Ball Fountain is made to be kept on the tabletop. Water gently cascades down the ball into a decorative cylindrical pool where it is recycled.
The diameter of spherical ball is 21 cm.
Cylindrical pool – Outer diameter is 50 cm and inner diameter is 40 cm.
Height of solid base is 14 cm.
Height of water filled is 7 cm.
Observe the figure and answer the following questions :
(i) Determine the total height of the fountain. (1)
(ii) Find the volume of the ball. (1)
(iii) (a) If one-third of the ball is submerged in the water, find the volume of the water filled in the pool. (2)
OR (iii) (b) Find the sum of the outer curved surface area of the cylindrical part and surface area of the ball. (2)

During a theatre drama, a backdrop of building arches was used. The shape of the curve shown below can be represented by the polynomial $p(x)=-x^2+2x+8$, where $x$ is the length (in feet) on stage level.
Based on the figure given above, answer the following questions :
(i) Determine the height of the arch. (1)
(ii) (a) Find zeroes of the polynomial p(x). Which points on the graph represent the zeroes ? (2)
OR (ii) (b) Find the span of the arch on the stage floor. (2)
(iii) Write the coordinates of the point of intersection of the above curve with the y-axis. (1)