Class 10 CBSE Basic Maths Specimen 2023

Maximum Marks: 80

Time Allowed: Three hours

This Question Paper has 5 Sections A, B, C, D, and E.
Section A has 20 Multiple Choice Questions (MCQs) carrying 1 mark each.
Section B has 5 Short Answer-I (SA-I) type questions carrying 2 marks each Section C has 6 Short Answer-II (SA-II) type questions carrying 3 marksach.
Section D has 4 Long Answer (LA) type questions carrying 5 marks each Section E has 3 Case Based integrated units of assessment (4 marksch) with sub-parts of the values of 1, 1 and 2 marks each respectively.
All Questions are compulsory. However, an internal choice in 2 of 2 marks, 2 Qs of 3 marks and 2 Questions of 5 marks has been provided. An internal choice has been provided in the 2 marks questions of Section E.
Draw neat figures wherever required. Take π =22/7 wherever reired if not stated.

class 10 CBSE Basic Maths Specimen Question Paper 2023

SECTION A



Question 1

If two positive integers p and q can be expressed as p = ab2 and q = a3b; a, b being prime numbers, then LCM (p, q) is
  1. ab
  2. a2b2
  3. a3b2
  4. a3b3

Solution

Question 2

What is the greatest possible speed at which a man can walk 52 km and 91 km in an exact number of hours?
  1. 17 km/hours
  2. 7 km/hours
  3. 13 km/hours
  4. 26 km/hours

Solution

Question 3

If one zero of the quadratic polynomial x2 + 3x + k is 2, then the value of k is
  1. 10
  2. -10
  3. 5
  4. -5

Solution

Question 4

Graphically, the pair of equations given by
6x – 3y + 10 = 0
2x – y + 9 = 0
represents two lines which are
  1. intersecting at exactly one point
  2. parallel
  3. coincident
  4. intersecting at exactly two points

Solution

Question 5

If the quadratic equation x2 + 4x + k = 0 has real and equal roots, then
  1. k < 4
  2. k > 4
  3. k = 4
  4. k ≥ 4

Solution

Question 6

The perimeter of a triangle with vertices (0, 4), (0, 0) and (3, 0) is
  1. 5 units
  2. 12 units
  3. 11 units
  4. (7 + √5) units

Solution

Question 7

If in triangles ABC and DEF,
AB / DE
=
BC / FD
, then they will be similar, when
  1. ∠B = ∠E
  2. ∠A = ∠D
  3. ∠B = ∠D
  4. ∠A = ∠F

Solution

Question 8

In which ratio the y-axis divides the line segment joining the points (5, – 6) and (–1, – 4)?.
  1. 1 : 5
  2. 5 : 1
  3. 1 : 1
  4. 1 : 2

Solution

Question 9

In the figure, if PA and PB are tangents to the circle with centre O such that ∠APB = 50°, then ∠OAB is equal to
  1. 25°
  2. 30°
  3. 40°
  4. 50°

Solution

Question 10

If sin A = 1/2, then the value of sec A is :
  1. 2 / √3
  2. 1 / √3
  3. √3
  4. 1

Solution

Question 11

√3 cos2A + √3 sin2A is equal to
  1. 1
  2. 1 / √3
  3. √3
  4. 0

Solution

Question 12

The value of cos1° . cos2° . cos3° . cos4°. . . . . . . . . . . .. cos90° is
  1. 1
  2. 0
  3. -1
  4. 2

Solution

Question 13

If the perimeter of a circle is equal to that of a square, then the ratio of their areas is
  1. 22 : 7
  2. 14 : 11
  3. 7 : 22
  4. 11: 14

Solution

Question 14

If the radii of two circles are in the ratio of 4 : 3, then their areas are in the ratio of :
  1. 4 : 3
  2. 8 : 3
  3. 16 : 9
  4. 9 : 16

Solution

Question 15

The total surface area of a solid hemisphere of radius 7 cm is :
  1. 447π cm2
  2. 239 π cm2
  3. 174π cm2
  4. 147π cm2

Solution

Question 16

For the following distribution :


the upper limit of the modal class is
  1. 10
  2. 15
  3. 20
  4. 25

Solution

Question 17

If the mean of the following distribution is 2.6, then the value of y is

  1. 3
  2. 8
  3. 13
  4. 24

Solution

Question 18

A card is selected at random from a well shuffled deck of 52 cards. The probability of its being a red face card is
  1. 3 / 26
  2. 3 / 13
  3. 2 / 13
  4. 1 / 2

Solution

Question 19

Assertion: If HCF of 510 and 92 is 2, then the LCM of 510 & 92 is 32460
Reason: as HCF(a,b) x LCM(a,b) = a x b (a) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A). (b) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A). (c) Assertion (A) is true but Reason (R) is false. (d) Assertion (A) is false but Reason (R) is true.

Solution

Question 20

Assertion (A): The ratio in which the line segment joining (2, -3) and (5, 6) internally divided by x axis is 1:2.

Reason (R): as formula for the internal division is (
mx2 + nx1 / m+n
,
my2 + ny1 / m+n
)

(a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A)

(b) Both assertion (A) and reason (R) are true and reason (R) is not the correct explanation of assertion (A)

(c) Assertion (A) is true but reason (R) is false
(d) Assertion (A) is false but reason (R) is true

Solution

SECTION B



Question 21

For what values of k will the following pair of linear equations have infinitely many solutions?

kx + 3y – (k – 3) = 0
12x + ky – k = 0

Solution

Question 22

In the figure, altitudes AD and CE of Δ ABC intersect each other at the point P. Show that:

(i) ΔABD ~ ΔCBE
(ii) ΔPDC ~ ΔBEC



OR

In the figure, DE || AC and DF || AE. Prove that
BF / FE
=
BE / EC


Solution

Question 23

Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle

Solution

Question 24

If cot θ =
7 / 8
, evaluate
(1 + sin θ) (1− sin θ) / (1 + cos θ) (1− cos θ)

Solution

Question 25

Find the perimeter of a quadrant of a circle of radius 14 cm

Find the diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 24 cm and 7 cm.

Solution

SECTION C



Question 26

Prove that √5 is an irrational number

Solution

Question 27

Find the zeroes of the quadratic polynomial 6x2 – 3 – 7x and verify the relationship between the zeroes and the coefficients.

Solution

Question 28

A shopkeeper gives books on rent for reading. She takes a fixed charge for the first two days, and an additional charge for each day thereafter. Latika paid Rs 22 for a book kept for six days, while Anand paid Rs 16 for the book kept for four days. Find the fixed charges and the charge for each extra day.

OR

Places A and B are 100 km apart on a highway. One car starts from A and another from B at the same time. If the cars travel in the same direction at different speeds, they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of the two cars?

Solution

Question 29

In the figure, PQ is a chord of length 8 cm of a circle of radius 5 cm. The tangents at P and Q intersect at a point T. Find the length TP.

Solution

Question 30

Prove that


OR

If sin θ + cos θ = √3, then prove that tan θ + cot θ = 1

Solution

Question 31

Two dice are thrown at the same time. What is the probability that the sum of the two numbers appearing on the top of the dice is
  1. 8?
  2. 13?
  3. less than or equal to 12?

Solution

Question 32

An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop at intermediate stations). If the average speed of the express train is 11km/h more than that of the passenger train, find the average speed of the two trains.

OR

A motor boat whose speed is 18 km/h in still water takes 1 hour more to go 24 km upstream than to return downstream to the same spot. Find the speed of the stream

Solution

Question 33

Prove that If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio. In the figure, find EC if
AD / DB
=
AE / EC
using the above theorem.

Solution

Question 34

A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm. Find the volume of wood in the entire stand



OR

Ramesh made a bird-bath for his garden in the shape of a cylinder with a hemispherical depression at one end. The height of the cylinder is 1.45 m and its radius is 30 cm. Find the total surface area of the bird-bath.

Solution

Question 35

A life insurance agent found the following data for distribution of ages of 100 policy holders. Calculate the median age, if policies are given only to persons having age 18 years onwards but less than 60 years.

Solution

SECTION E



Question 36

Case Study – 1

In the month of April to June 2022, the exports of passenger cars from India increased by 26% in the corresponding quarter of 2021–22, as per a report. A car manufacturing company planned to produce 1800 cars in 4th year and 2600 cars in 8th year. Assuming that the production increases uniformly by a fixed number every year.


Based on the above information answer the following questions
  1. Find the production in the 1th year
  2. Find the production in the 12th year
  3. Find the total production in first 10 years.

    OR

    In how many years will the total production reach 31200 cars?

Solution

Question 37

Case Study – 2

In a GPS, The lines that run east-west are known as lines of latitude, and the lines running north-south are known as lines of longitude. The latitude and the longitude of a place are its coordinates and the distance formula is used to find the distance between two places. The distance between two parallel lines is approximately 150 km. A family from Uttar Pradesh planned a round trip from Lucknow (L) to Puri (P) via Bhuj (B) and Nashik (N) as shown in the given figure below.



Based on the above information answer the following questions using the coordinate geometry
  1. Find the distance between Lucknow (L) to Bhuj(B).
  2. If Kota (K), internally divide the line segment joining Lucknow (L) to Bhuj (B) into 3 : 2 then find the coordinate of Kota (K).
  3. Name the type of triangle formed by the places Lucknow (L), Nashik (N) and Puri (P)

    OR
    Find a place (point) on the longitude (y-axis) which is equidistant from the points Lucknow (L) and Puri (P)

Solution

Question 38

Lakshaman Jhula is located 5 kilometers north-east of the city of Rishikesh in the Indian state of Uttarakhand. The bridge connects the villages of Tapovan to Jonk. Tapovan is in Tehri Garhwal district, on the west bank of the river, while Jonk is in Pauri Garhwal district, on the east bank. Lakshman Jhula is a pedestrian bridge also used by motorbikes. It is a landmark of Rishikesh.

A group of Class X students visited Rishikesh in Uttarakhand on a trip. They observed from a point (P) on a river bridge that the angles of depression of opposite banks of the river are 60° and 30° respectively. The height of the bridge is about 18 meters from the river.


Based on the above information answer the following questions.
  1. Find the distance PA.
  2. Find the distance PB
  3. Find the width AB of the river.

    OR

    Find the height BQ if the angle of the elevation from P to Q be 30°

Solution

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