Share

# Mathematics All India Set 1 2014-2015 CBSE Class 10 Question Paper Solution

SubjectMathematics
Year2014 - 2015 (March)
Mathematics [All India Set 1]
Marks: 90Date: 2014-2015 March

[1]1

If the quadratic equation px2 − 2√5px + 15 = 0 has two equal roots then find the value of p.

Concept: Nature of Roots
Chapter: [2.03] Quadratic Equations
[1]2

In the below given figure, a tower AB is 20 m high and BC, its shadow on the ground, is 20√3 m long. Find the sun’s altitude.

Concept: Introduction to Trigonometry Examples and Solutions
Chapter: [4.03] Introduction to Trigonometry
[1]3

Two different dice are tossed together. Find the probability that the product of the two numbers on the top of the dice is 6.

Concept: Probability Examples and Solutions
Chapter: [5.01] Probability
[1]4

In the figure given below, PQ is a chord of a circle with centre O and PT is a tangent. If ∠QPT = 60°, find ∠PRQ.

Concept: Tangent to a Circle
Chapter: [3.01] Circles
[2]5

In the below given figure, two tangents RQ and RP are drawn from an external point R to the circle with centre O. If∠PRQ = 120°, then prove that OR = PR + RQ.

Concept: Number of Tangents from a Point on a Circle
Chapter: [3.01] Circles
[2]6

the below given figure, a triangle ABC is drawn to circumscribe a circle of radius 3 cm, such that the segments BD and DC are respectively of lengths 6 cm and 9 cm. If the area of ΔABC is 54 cm2, then find the lengths of sides AB and AC.

Concept: Triangles Examples and Solutions
Chapter: [3.02] Triangles
[2]7

Solve the following quadratic equation for x: 4x^2 + 4bx – (a^2 – b^2) = 0

Concept: Solutions of Quadratic Equations by Completing the Square
Chapter: [2.03] Quadratic Equations
[2]8

In an A.P., if S5 + S7 = 167 and S10=235, then find the A.P., where Sn denotes the sum of its first n terms.

Concept: Sum of First n Terms of an AP
Chapter: [2.02] Arithmetic Progressions
[2]9

The points A(4, 7), B(p, 3) and C(7, 3) are the vertices of a  right traingle ,right-angled at B. Find the values of p.

Concept: Pythagoras Theorem
Chapter: [3.02] Triangles
[2]10

Find the relation between x and y if, the points A(x, y), B(-5, 7) and C(-4, 5) are collinear.

Concept: Area of a Triangle
Chapter: [6.01] Lines (In Two-dimensions)
[3]11

The 14th term of an A.P. is twice its 8th term. If its 6th term is -8, then find the sum of its first 20 terms.

Concept: Arithmetic Progression
Chapter: [2.02] Arithmetic Progressions
[3]12

Solve for x: sqrt(3x^2)-2sqrt(2)x-2sqrt3=0

Concept: Nature of Roots
Chapter: [2.03] Quadratic Equations
[3]13

The angle of elevation of an aeroplane from point A on the ground is 60˚. After flight of 15 seconds, the angle of elevation changes to 30˚. If the aeroplane is flying at a constant height of 1500√3 m, find the speed of the plane in km/hr.

Concept: Heights and Distances
Chapter: [4.01] Heights and Distances
[3]14

If the coordinates of points A and B are (-2, -2) and (2, -4) respectively, find the coordinates of P such that AP =(3/7)AB, where P lies on the line segment AB.

Concept: Division of a Line Segment
Chapter: [3.03] Constructions
[3]15

The probability of selecting a red ball at random from a jar that contains only red, blue and  orange balls is 1/4. The probability of selecting a blue ball at random from the same jar 1/3. If the jar contains 10 orange balls, find the total number of balls in the jar.

Concept: Probability Examples and Solutions
Chapter: [5.01] Probability
[3]16

Find the area of the minor segment of a circle of radius 14 cm, when its central angle is 60˚. Also find the area of the corresponding major segment.[use π=22/7]

Concept: Areas of Sector and Segment of a Circle
Chapter: [7.01] Areas Related to Circles
[3]17

Due to sudden floods, some welfare associations jointly requested the government to get 100 tents fixed immediately and offered to contribute 50% of the cost. If the lower part of each tent is of the form of a cylinder of diameter 4.2 m and height 4 m with the conical upper part of same diameter but of height 2.8 m, and the canvas to be used costs Rs. 100 per sq. m, find the amount, the associations will have to pay. What values are shown by these associations? [Use π=22/7]

Concept: Surface Area of a Combination of Solids
Chapter: [7.02] Surface Areas and Volumes
[3]18

A hemispherical bowl of internal diameter 36 cm contains liquid. This liquid is filled into 72 cylindrical bottles of diameter 6 cm. Find the height of each bottle, if 10% liquid is wasted in this transfer.

Concept: Surface Area of a Combination of Solids
Chapter: [7.02] Surface Areas and Volumes
[3]19

A cubical block of side 10 cm is surmounted by a hemisphere. What is the largest diameter that the hemisphere can have? Find the cost of painting the total surface area of the solid so formed, at the rate of Rs. 5 per 100 sq. cm. [Use π = 3.14]

Concept: Surface Area of a Combination of Solids
Chapter: [7.02] Surface Areas and Volumes
[3]20

504 cones, each of diameter 3.5 cm and height 3 cm, are melted and recast into a metallic sphere. Find the diameter of the sphere and hence find its surface area.
[Use π=22/7]

Concept: Surface Area of a Combination of Solids
Chapter: [7.02] Surface Areas and Volumes
[4]21

The diagonal of a rectangular field is 16 metres more than the shorter side. If the longer side is 14 metres more than the shorter side, then find the lengths of the sides of the field.

Concept: Pythagoras Theorem
Chapter: [3.02] Triangles
[4]22

Find the 60th term of the A.P. 8, 10, 12, ……., if it has a total of 60 terms and hence find the sum of its last 10 terms.

Concept: Arithmetic Progression
Chapter: [2.02] Arithmetic Progressions
[4]23

A train travels at a certain average speed for a distance of 54 km and then travels a distance of 63 km at an average speed of 6 km/h more than the first speed. If it takes 3 hours to complete the total journey, what is its first speed?

Concept: Algebraic Methods of Solving a Pair of Linear Equations - Cross - Multiplication Method
Chapter: [2.01] Pair of Linear Equations in Two Variables
[4]24

Prove that the lengths of the tangents drawn from an external point to a circle are equal.

Concept: Number of Tangents from a Point on a Circle
Chapter: [3.01] Circles
[4]25

Prove that the tangent drawn at the mid-point of an arc of a circle is parallel to the chord joining the end points of the arc.

Concept: Circles Examples and Solutions
Chapter: [3.01] Circles
[4]26

Construct a Δ ABC in which AB = 6 cm, ∠A = 30° and ∠B = 60°, Construct another ΔAB’C’ similar to ΔABC with base AB’ = 8 cm.

Concept: Division of a Line Segment
Chapter: [3.03] Constructions
[4]27

At a point A, 20 metres above the level of water in a lake, the angle of elevation of a cloud is 30˚. The angle of depression of the reflection of the cloud in the lake, at A is 60˚.
Find the distance of the cloud from A.

Concept: Heights and Distances
Chapter: [4.01] Heights and Distances
[4]28

A card is drawn at random from a well-shuffled deck of playing cards. Find the probability that the card drawn is a card of spade or an ace.

Concept: Probability Examples and Solutions
Chapter: [5.01] Probability

A card is drawn at random from a well-shuffled deck of playing cards. Find the probability that the card drawn is a black king.

Concept: Probability Examples and Solutions
Chapter: [5.01] Probability

A card is drawn at random from a well-shuffled deck of playing cards. Find the probability that the card drawn is neither a jack nor a king.

Concept: Probability Examples and Solutions
Chapter: [5.01] Probability

A card is drawn at random from a well-shuffled deck of playing cards. Find the probability that the card drawn is either a king or a queen.

Concept: Probability Examples and Solutions
Chapter: [5.01] Probability
[4]29

Find the values of k so that the area of the triangle with vertices (1, -1), (-4, 2k) and (-k, -5) is 24 sq. units.

Concept: Area of a Triangle
Chapter: [6.01] Lines (In Two-dimensions)
[4]30

In the figure given below, PQRS is square lawn with side PQ = 42 metres. Two circular flower beds are there on the sides PS and QR with centre at O, the intersections of its
diagonals. Find the total area of the two flower beds (shaded parts).

Concept: Problems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle
Chapter: [7.01] Areas Related to Circles
[4]31

From each end of a solid metal cylinder, metal was scooped out in hemispherical from of same diameter. The height of the cylinder is 10 cm and its base is of radius 4.2 cm.
The rest of the cylinder is melted and converted into a cylindrical wire of 1.4 cm thickness. Find the length of the wire [Use  π=22/7]

Concept: Conversion of Solid from One Shape to Another
Chapter: [7.02] Surface Areas and Volumes

#### Request Question Paper

If you dont find a question paper, kindly write to us

View All Requests

#### Submit Question Paper

Help us maintain new question papers on Shaalaa.com, so we can continue to help students

only jpg, png and pdf files

## CBSE previous year question papers Class 10 Mathematics with solutions 2014 - 2015

CBSE Class 10 Maths question paper solution is key to score more marks in final exams. Students who have used our past year paper solution have significantly improved in speed and boosted their confidence to solve any question in the examination. Our CBSE Class 10 Maths question paper 2015 serve as a catalyst to prepare for your Mathematics board examination.
Previous year Question paper for CBSE Class 10 Maths-2015 is solved by experts. Solved question papers gives you the chance to check yourself after your mock test.
By referring the question paper Solutions for Mathematics, you can scale your preparation level and work on your weak areas. It will also help the candidates in developing the time-management skills. Practice makes perfect, and there is no better way to practice than to attempt previous year question paper solutions of CBSE Class 10.

How CBSE Class 10 Question Paper solutions Help Students ?
• Question paper solutions for Mathematics will helps students to prepare for exam.
• Question paper with answer will boost students confidence in exam time and also give you an idea About the important questions and topics to be prepared for the board exam.
• For finding solution of question papers no need to refer so multiple sources like textbook or guides.
S