CBSE Class 10 Maths Basic 2026 Question Paper 430/5/1 with Solutions

$7\times 11\times 13+5$ is

1. (A)a prime number.
2. (B)an odd number.
3. (C)a composite number.
4. (D)a multiple of 5.

The roots of the quadratic equation $x^2+9=0$ are

1. (A)real and equal
2. (B)not real
3. (C)real and negative of each other
4. (D)rational numbers

The distance between the points $(-2,5)$ and $(5,-2)$ is

1. (A)$7\sqrt{2}$
2. (B)14
3. (C)$2\sqrt{7}$
4. (D)7

A cylinder of radius $r$ is surmounted on a hemisphere of same radius. If total height of the object is 13 cm, then its inner surface area is

1. (A)$2\pi r(r+13)$
2. (B)$13\pi r$
3. (C)$2\pi (13+r{)}^2$
4. (D)$26\pi r$

Which of the following statements is not always true ?

1. (A)Two circles are similar.
2. (B)Two isosceles right triangles are similar.
3. (C)Two rectangles are similar.
4. (D)Two equilateral triangles are similar.

If value of $\cot \theta$ is $\sqrt{5}$, then $\sin \theta$ equals

1. (A)$\frac{1}{\sqrt{6}}$
2. (B)$\sqrt{6}$
3. (C)$\frac{\sqrt{5}}{6}$
4. (D)$\frac{1}{2}$

A chord QR subtends an angle of $105^{\circ }$ at the centre O of the circle. The measure of $\angle RQP$ is

1. (A)$\frac{75^{\circ }}{2}$
2. (B)$\frac{105^{\circ }}{2}$
3. (C)$75^{\circ }$
4. (D)$15^{\circ }$

The probability of getting sum greater than 10, when two dice are rolled together, is

1. (A)$\frac{1}{9}$
2. (B)$\frac{1}{18}$
3. (C)$\frac{1}{12}$
4. (D)1

The graph of a polynomial $p(x)$ is shown here. The number of zeroes of the polynomial $p(x)$ is

1. (A)5
2. (B)1
3. (C)0
4. (D)4

$n^{th}$ term of the A.P. : $\frac{-1}{3},\frac{4}{3},3,\dots$ is

1. (A)$\frac{5n-9}{3}$
2. (B)$\frac{5n-6}{3}$
3. (C)$\frac{3n-4}{3}$
4. (D)$\frac{3n+2}{3}$

In the given figure, DE $\parallel$ BC.
If AD : AB = 1 : 3 and AE = 2.5 cm, then AC equals

1. (A)7.5 cm
2. (B)5 cm
3. (C)10 cm
4. (D)2.5 cm

The value of k for which sum of the zeroes of the polynomial $p(x)=3x^2-kx+6$ is 2, is

1. (A)2
2. (B)$-6$
3. (C)$-2$
4. (D)6

A bag contains some red and some white balls. A ball is drawn at random from the bag. If the probability of getting a red ball is $\frac{2}{7}$, then the probability of getting a white ball is

1. (A)$\frac{1}{14}$
2. (B)$\frac{5}{7}$
3. (C)$\frac{1}{7}$
4. (D)$\frac{2}{7}$

If $-26,x,2$ are in A.P., then the value of $x$ is

1. (A)14
2. (B)$-13$
3. (C)$-12$
4. (D)$-14$

PQ is tangent to a circle at a point P on the circle. The number of tangents which can be drawn to the circle parallel to PQ, is

1. (A)2
2. (B)1
3. (C)many
4. (D)zero

A card is drawn from a well-shuffled deck of 52 playing cards. The probability of getting a queen of spade is

1. (A)$\frac{1}{26}$
2. (B)$\frac{1}{52}$
3. (C)0
4. (D)$\frac{1}{4}$

The length of a pendulum is 70 cm and it describes an arc of length 88 cm when swings. The angle subtended by the arc at the centre is

1. (A)$36^{\circ }$
2. (B)$70^{\circ }$
3. (C)$72^{\circ }$
4. (D)$80^{\circ }$

The total surface area of a solid cone of radius 7 cm and slant height 25 cm, is

1. (A)724 cm${}^2$
2. (B)704 cm${}^2$
3. (C)550 cm${}^2$
4. (D)616 cm${}^2$

Assertion (A) : For an acute angle $\theta$, $\cos \theta$ is always less than 1.
Reason (R) : In a right-angled triangle, hypotenuse is the longest side and $\cos \theta =\frac{\text{Base}}{\text{Hypotenuse}}$.

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) : Median of a data is the value of $\frac{N}{2}$, where N represents sum of all frequencies.
Reason (R) : Median divides the whole distribution in two equal parts.

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.

If $\sec A=\sqrt{2}$ and $\tan B=\sqrt{3}$, then find the value of $2\sin A\cos B$.

Evaluate : $\frac{4{\cos }^{3}60^{\circ }+\text{cosec}30^{\circ }}{{\tan }^{2}30^{\circ }}$

Find the H.C.F. and L.C.M. of 1530 and 2040.

If A(a, 0), B(1, 1) and C(0, b) form a triangle, right angled at B when joined, then establish a relation between a and b.

Find the probability that a number selected at random from the numbers 30, 31, 32, 33, ....., 60 is (i) a prime number (ii) a multiple of 6.

Slips of letters of the word ‘BACKGROUND’ are put in a bowl and thoroughly mixed. One slip is picked up at random. Find the probability that picked up slip’s letter is (i) a vowel (ii) present in the word ‘BALL’.

In the given figure, AB $\parallel$ DC. If OB = 3OD and CD = 1.8 cm, then find the length AB.

Prove that $\sqrt{2}$ is an irrational number.

Points P(6, 0), Q(2, 8) and R(−2, 4) are vertices of $△PQR$. It is given that MN $\parallel$ QR such that $\frac{PM}{MQ}=\frac{1}{3}$. Using distance formula and ratio formula, show that $\frac{MN}{QR}=\frac{1}{4}$.

In an A.P., it is given that a = 2, d = 8 and $S_n=90$. Find the value of n.

How many 4-digit numbers are divisible by 7 ?

Prove that $\sqrt{\frac{1-\sin A}{1+\sin A}}=\frac{1}{\sec A+\tan A}$.

If $\alpha ,\beta$ are zeroes of the polynomial $p(x)=5x^2-7x-3$, then form a quadratic polynomial whose zeroes are $\frac{2}{\alpha }$ and $\frac{2}{\beta }$.

Find the zeroes of the polynomial $p(x)=3x^2+7x-20$ and verify the relationship between its zeroes and the coefficients.

Chord AB of a circle subtends an angle of $120^{\circ }$ at the centre O of the circle. Find the length of arc AB, if radius of the circle is 21 cm.

In the given figure, $△ABC$ is right angled triangle with $\angle A=90^{\circ }$. AD is perpendicular to BC.
Prove that :
(i) $△DBA\sim △DAC$
(ii) $D{A}^2=DB\times DC$
(iii) Find the area of $△ABC$ when DB = 9 cm and DC = 16 cm.

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

Two poles of equal heights are standing opposite each other on either side of the road, which is 80 m wide. From a point between them on the road, the angles of elevation of the top of the poles are $60^{\circ }$ and $30^{\circ }$ respectively. Find the height of the poles and the distance of the point from the poles.

ABCD is a rectangle of dimensions 80 cm $\times$ 60 cm. Another rectangle PQRS is drawn inside ABCD leaving space of equal width $x$ cm along the edges of ABCD. If area PQRS is half of the area ABCD, then find the value of $x$.

A train covers a distance of 90 km at a uniform speed. Had the speed been 15 km/h more, it would have taken 30 minutes less for the same journey. Find the original speed of the train.

Find mean and mode of the following data :

Seema daily goes to a park to exercise on machines available there. When Seema spent 15 minutes on exercise bicycle and 30 minutes on double cross walker, she received a message of burning 435 calories on her fitness watch. When she spent 30 minutes on exercise bicycle and 40 minutes on double cross walker, she received a message of burning 690 calories.
To find the number of calories burned per minute on each machine, answer the following :
(i) Represent the above situation in terms of a pair of linear equations in two variables.
(ii) Show that the equations have unique solution.
(iii) (a) Solve both equations to find the values of the variables using elimination method.
OR (b) Solve both equations to find the values of the variables using substitution method.

There are many varieties of mushrooms available in the world. One such mushroom ‘Amanita muscaria’ has a upper part which is like red cap (hemispherical) and lower part is like white stem (cylinderical).
The hemispherical cap’s radius = 3 cm and cylindrical stem is 2 cm high with diameter 1.4 cm. Considering mushroom a solid object, answer the following questions :
(i) What is the total height of a mushroom ?
(ii) Find the volume of the stem.
(iii) (a) Determine the volume of 7 such mushrooms.
OR (b) Find the total surface area of 7 such mushrooms.

In a circular museum hall of radius 14 m, some statues are displayed. Statues are kept inside the inner concentric circle of radius 7 m. One such statue lying in sector OAB, is fenced along line segments OA, AP, PB and BO where P is a point on outer circle.
Based on above information, answer the following questions :
(i) Find $m\angle AOP$. (1)
(ii) Prove that $△OAP\cong △OBP$. (1)
(iii) (a) Find the length of fencing required to protect the statue. (Take $\sqrt{3}$ = 1.73) (2)
OR (b) Find area of quadrilateral OAPB. (Take $\sqrt{3}$ = 1.73)