CBSE Class 10 Maths Basic 2025 Question Paper 430/4/3 with Solutions

If $\sin A=\frac{2}{3}$, then $\cos A$ is equal to :

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

The curved surface area of a cone with base radius 7 cm, is 550 cm${}^2$. The slant height of the cone is :

1. (A)25 cm
2. (B)14 cm
3. (C)20 cm
4. (D)24 cm

The value of $m$ for which lines $14x+my=20$ and $-3x+2y=16$ are parallel, is :

1. (A)$-\frac{3}{14}$
2. (B)$-\frac{7}{3}$
3. (C)$-\frac{28}{3}$
4. (D)$-\frac{3}{28}$

If $\alpha ,\beta$ are zeroes of the polynomial $3x^2+14x-5$, then the value of $3\left(\frac{\alpha +\beta }{\alpha \beta }\right)$ is :

1. (A)$\frac{14}{5}$
2. (B)$\frac{42}{5}$
3. (C)$-\frac{14}{5}$
4. (D)$-\frac{42}{5}$

PQ and PR are tangents to the circle of radius 3 cm and centre O. If length of each tangent is 4 cm, then perimeter of $△$ OQP is :

1. (A)5 cm
2. (B)12 cm
3. (C)9 cm
4. (D)8 cm

The LCM of two numbers is 3600. Which of the following can not be their HCF ?

1. (A)600
2. (B)400
3. (C)500
4. (D)150

The distance between the points $(-6,9)$ and $(2,7)$ is :

1. (A)$2\sqrt{17}$
2. (B)$4\sqrt{17}$
3. (C)$2\sqrt{5}$
4. (D)$2\sqrt{15}$

If $\sec \theta -\tan \theta =2$, then $\sec \theta +\tan \theta$ is equal to :

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

Three coins are tossed together. The probability that only one coin shows tail, is :

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

One of the zeroes of the polynomial $p(x)=k{x}^2-9x+3$ is $\left(-\frac{3}{2}\right)$. The value of $k$ is :

1. (A)$\frac{22}{3}$
2. (B)$-\frac{14}{3}$
3. (C)$\frac{14}{3}$
4. (D)$-\frac{22}{3}$

Two right circular cylinders of equal volumes have their heights in the ratio 1:2. The ratio of their radii is :

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

If $\sqrt{2}\sin \theta =1$, then $\cot \theta \times \text{cosec}\theta$ is equal to :

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

In $△$ ABC, PQ $\parallel$ BC. It is given that AP = 2.4 cm, PB = 3.6 cm and BC = 5.4 cm. PQ is equal to :

1. (A)2.7 cm
2. (B)1.8 cm
3. (C)3.6 cm
4. (D)2.16 cm

PA and PB are tangents to a circle with centre O. If $\angle AOB=105^{\circ }$ then $\angle OAP+\angle APB$ is equal to :

1. (A)$75^{\circ }$
2. (B)$175^{\circ }$
3. (C)$180^{\circ }$
4. (D)$165^{\circ }$

In an A.P., $a_n-a_{n-4}=32$. Its common difference is :

1. (A)$-8$
2. (B)8
3. (C)$4n$
4. (D)4

The perimeter of a quadrant of a circle of radius 7 cm, is :

1. (A)18 cm
2. (B)11 cm
3. (C)22 cm
4. (D)25 cm

A card is drawn at random from a well shuffled deck of 52 playing cards. The probability that drawn card shows number ‘9’ is :

1. (A)$\frac{1}{26}$
2. (B)$\frac{4}{13}$
3. (C)$\frac{1}{52}$
4. (D)$\frac{1}{13}$

The $20^{th}$ term of the A.P. : $10\sqrt{2},6\sqrt{2},2\sqrt{2},....$ is :

1. (A)$-76+10\sqrt{2}$
2. (B)$-62\sqrt{2}$
3. (C)$-66\sqrt{2}$
4. (D)$86\sqrt{2}$

Assertion (A) : Median marks of students in a class test is 16. It means half of the class got marks less than 16.
Reason (R) : Median divides the distribution in two equal parts.

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

Assertion (A) : If E is an event such that $P(E)=\frac{1}{999}$, then $P(\overline{E})=0.001$.
Reason (R) : $P(E)+P(\overline{E})=1$

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

Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line segment joining the points of contact at the centre.

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.

Find the ratio in which the segment joining the points $(2,-5)$ and $(5,3)$ is divided by $x$-axis. Also, find coordinates of the point on $x$-axis.

Show that $45^n$ can not end with the digit 0, $n$ being a natural number. Write the prime number ‘$a$’ which on multiplying with $45^n$ makes the product end with the digit 0.

The diagonal BD of parallelogram ABCD is divided by segment AE in the ratio 1 : 2. If BE = 1.8 cm, find the length of AD.

A coin is dropped at random on the rectangular region shown in the figure. What is the probability that it will land inside the circle with radius 0.7 m ?

A die is thrown twice. What is the probability that (i) difference between two numbers obtained is 3 ? (ii) sum of the numbers obtained is 8 ?

Prove that the opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle.

If points A$(-5,y)$, B$(2,-2)$, C$(8,4)$ and D$(x,5)$ taken in order, form a parallelogram ABCD, then find the values of $x$ and $y$. Hence, find lengths of sides of the parallelogram.

A$(6,-3)$, B$(0,5)$ and C$(-2,1)$ are vertices of $△$ABC. Points P$(3,1)$ and Q$(2,-1)$ lie on sides AB and AC respectively. Check whether $\frac{AP}{PB}=\frac{AQ}{QC}$.

Find the zeroes of the polynomial $p(x)=9x^2-6x-35$ and verify the relationship between zeroes and its coefficients.

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

Find the sum of the A.P. $7,10\frac{1}{2},14,.....84$.

If the sum of first $n$ terms of an A.P. is given by $S_n=\frac{n}{2}(2n+8)$. Then, find its first term and common difference. Hence, find its $15^{th}$ term.

A chord of a circle of radius 14 cm subtends an angle of $90^{\circ }$ at the centre. Find perimeter of shaded region. (Use $\sqrt{2}=1.41$)

The angle of elevation of the top of a tower, 300 m high, from a point on the ground is observed as $30^{\circ }$. At an instant a hot air balloon passes vertically above the tower and at that instant its angle of elevation from same point on the ground is $60^{\circ }$. Find height of the balloon from the ground and distance of tower from point of observation. (Use $\sqrt{3}=1.73$)

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.

In a $△$ ABC, P and Q are points on AB and AC respectively such that PQ $\parallel$ BC. Prove that the median AD, drawn from A to BC, bisects PQ.

It is given that $p^2{x}^2+(p^2-q^2)x-q^2=0$ ; $(p\ne 0)$
(i) Show that the discriminant (D) of above equation is a perfect square.
(ii) Find the roots of the equation.

Three consecutive positive integers are such that the sum of the square of smallest and product of other two is 67. Find the numbers, using quadratic equation.

Find ‘mean’ and ‘mode’ of the following data :
Class: 20-25, 25-30, 30-35, 35-40, 40-45, 45-50
Frequency: 9, 8, 11, 13, 4, 5

Playing in a ball pool is good entertainment for kids. Suhana bought 600 new balls of diameter 7 cm to fill in the pool for her kids. The cuboidal box containing 600 balls has dimensions 42 cm × 91 cm × 50 cm ($l\times b\times h$).
Based on above information, answer the following questions :
(i) Find the volume of one ball. (1)
(ii) 10 balls are painted with neon colours. Determine the area of painted surface. (1)
(iii) (a) Find the volume of empty space in the box. (2)
OR
(b) The lowermost layer of the balls covers the base of the box edge to edge when balls are placed evenly adjacent to each other. (A) How much area is covered by one ball? (B) How many balls are there in lowermost layer? (2)

Rahim and Nadeem are two friends whose plots are adjacent to each other. Rahim’s son made a drawing of the plots with necessary details.
It is decided that Rahim will fence the triangular plot ABC and Nadeem will fence along the sides AF, FE and BE.
Observe the diagram carefully and answer the following questions :
(Use $\sqrt{2}=1.41$ and $\sqrt{3}=1.73$)
(i) Find length BC. (1)
(ii) Find length AG. (1)
(iii) (a) Calculate perimeter of $△$ABC. (2)
OR
(b) Calculate length of (AF + FE + EB). (2)

A telecommunication company came up with two plans– plan A and plan B for its customers.
The plans are represented by linear equations where ‘$t$’ represents the time (in minutes) bought and ‘C’ represents the cost. The equations are :
Plan A : $3C=20t$
Plan B : $3C=10t+300$
Based on above information, answer the following questions :
(i) If you purchase plan B, how much initial amount you have to pay ? (1)
(ii) Charu purchased plan A. How many minutes she bought for ₹ 250 ? (1)
(iii) (a) At how many minutes, do both the plans charge the same amount? What is that amount? (2)
OR
(b) Which plan is better if you want to buy 60 minutes? Give reason for your answer. (2)