Selina Concise Mathematics Class 10 ICSE Solutions Chapter 25 Probability Ex 25A pdf free download Question 1.A coin is tossed once. Find the probability of:(i) getting a tail(ii) not getting a tailSolution:On tossing a coin once,number of possible outcome = 2(i) Favourable outome getting a tail = 1⇒ number of favourable outcome = 2(ii) Similarly favourable outcome not getting … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 25 Probability Ex 25A

# Maths

## Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24E

Selina Concise Mathematics Class 10 ICSE Solutions Chapter 24 Measures of Central Tendency Ex 24E pdf free download Question 1.The following distribution represents the height of 160 students of a schoolDraw an ogive for the given distribution taking 2 cm = 5 cm of height on one axis and 2 cm = 20 students on the other axis. Using the graph, determine :(i) The median … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24E

## Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24D

Selina Concise Mathematics Class 10 ICSE Solutions Chapter 24 Measures of Central Tendency Ex 24D pdf free download Question 1.Find the mode of the following data:(i) 7,9,8,7,7,6,8,10,7 and 6(ii) 9,11,8,11,16,9,11,5,3,11,17 and 8Solution:(i) Mode = 7because it occurs 4 times(ii) Mode =11because it occurs 4 times Question 2.The following table shows the frequency distribution of … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24D

## Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24C

Selina Concise Mathematics Class 10 ICSE Solutions Chapter 24 Measures of Central Tendency Ex 24C pdf free download Question 1.A student got the following marks in 9 questions of a question paper : 3, 5, 7, 3, 8, 0, 1, 4 and 6.Find the median of these marks.Solution:Arranging the given data in descending order, we get:8, 7, 6, 5,4,3, 3, 1,0The middle term is 4 which is 5th … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24C

## Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24B

Selina Concise Mathematics Class 10 ICSE Solutions Chapter 24 Measures of Central Tendency Ex 24B pdf free download Question 1.The following table gives the ages of 50 students of a class. Find the arithmetic mean of their ages.Solution: Question 2.The following table gives the weekly wages of workers in a factory.Calculate the mean by using :(i) Direct Method(ii) Short-Cut … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24B

## Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24A

Selina Concise Mathematics Class 10 ICSE Solutions Chapter 24 Measures of Central Tendency Ex 24A pdf free download Question 1.Find the mean of following set of numbers:(i) 6, 9, 11, 12 and 7(ii) 11, 14, 23, 26, 10, 12, 18 and 6.Solution: Question 2.Marks obtained (in mathematics) by a students are given below :60, 67, 52, 76, 50, 51, 74, 45 and 56(a) Find the arithmetic … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 24 Measures of Central Tendency Ex 24A

## Selina Concise Mathematics Solutions Class 10 ICSE Chapter 23 Graphical Representation Ex 23

Selina Concise Mathematics Class 10 ICSE Solutions Chapter 23 Graphical Representation Ex 23 pdf free download Question 1.Draw histograms for the following distributions :Solution: Question 2.Draw a cumulative frequency curve (ogive) for each of the following distributionsSolution: Question 3.Draw an ogive for each of the following distributions :Solution:Now plotting the … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 23 Graphical Representation Ex 23

## Selina Concise Mathematics Solutions Class 10 ICSE Chapter 22 Heights and Distances Ex 22C

Selina Concise Mathematics Class 10 ICSE Solutions Chapter 22 Heights and Distances Ex 22C pdf free download Question 1.Find AD.Solution: Question 2.In the following diagram.AB is a floor-board. PQRS is a cubical box with each edge = 1 m and ∠B = 60°. Calculate the length of the board AB.Solution: Question 3.Calculate BC.Solution: Question 4.Calculate AB … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 22 Heights and Distances Ex 22C

## Selina Concise Mathematics Solutions Class 10 ICSE Chapter 22 Heights and Distances Ex 22B

Selina Concise Mathematics Class 10 ICSE Solutions Chapter 22 Heights and Distances Ex 22B pdf free download Question 1.The height of a tree is times the length of its shadow. Find the angle of elevation of the sun.Solution:Let AB be the tree and BC be its shadow.∴ θ = 60°∵ Angle of elevation of the sun = 60° Question 2.The angle of elevation of the top of a tower, from a … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 22 Heights and Distances Ex 22B

## Selina Concise Mathematics Solutions Class 10 ICSE Chapter 22 Heights and Distances Ex 22A

Selina Concise Mathematics Class 10 ICSE Solutions Chapter 22 Heights and Distances Ex 22A pdf free download Question 1.The height of a tree is times the length of its shadow. Find the angle of elevation of the sun.Solution:Let AB be the tree and BC be its shadow.∴ θ = 60°∵ Angle of elevation of the sun = 60° Question 2.The angle of elevation of the top of a tower, from a … [Read more...] about Selina Concise Mathematics Solutions Class 10 ICSE Chapter 22 Heights and Distances Ex 22A