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Home/class 10

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Mridul Gupta
Mridul Gupta
Asked: February 28, 2023In: Class 10 Maths

During the medical check-up of 35 students of a class, their weights were recorded as follows:

During the medical check-up of 35 students of a class, their weights were recorded as follows:

Draw a less than type ogive for the given data. Hence obtain the median weight from the graph and verify the result by using the formula. NCERT Math’s class 10 chapter 14 Page No. 293 Exercise 14.4 Question 2

chapter 14class 10ncert
  • 1 1 Answer
  • 11 Views
  • 2 Votes
Answer
pappu07
pappu07
Asked: February 28, 2023In: Class 10 Maths

A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3.

Find the number of blue balls in the jar. NCERT Class 10 math’s Chapter 15 Page No. 312 Exercise 15.2 Question 5

chapter 15class 10ncert
  • 1 1 Answer
  • 11 Views
  • 3 Votes
Answer
Mridul Gupta
Mridul Gupta
Asked: February 28, 2023In: Class 10 Maths

Which of the following arguments are correct and which are not correct? Give reasons for your answer.

(i) If two coins are tossed simultaneously there are three possible outcomes—two heads, two tails or one of each. Therefore, for each of these outcomes, the probability is 1/3. (ii) If a die is thrown, there are two possible outcomes—an ...

chapter 15 mathsclass 10ncert
  • 1 1 Answer
  • 4 Views
  • 2 Votes
Answer
Anwesha Patel
Anwesha Patel
Asked: February 28, 2023In: Class 10 Maths

Refer to Example 13: Two dice, one blue and one grey, are thrown at the same time. Write down all the possible outcomes. What is the probability that the sum of the two numbers appearing on the top of the dice is

Refer to Example 13: Two dice, one blue and one grey, are thrown at the same time. Write down all the possible outcomes. What is the probability that the sum of the two numbers appearing on the top of the dice is

(i) 8? (ii)A student argues that ‘there are 11 possible outcomes 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12. Therefore, each of them has a probability 1/11. Do you agree with this argument? Justify your answer.

chapter 15class 10ncert maths
  • 1 1 Answer
  • 3 Views
  • 2 Votes
Answer
Kamlesh Kohli
Kamlesh Kohli
Asked: February 27, 2023In: Class 10 Maths

The following distribution gives the daily income of 50 workers of a factory.

The following distribution gives the daily income of 50 workers of a factory.

Convert the distribution above to a less than type cumulative frequency distribution and draw its ogive. NCERT Class 10 Chapter 14 Statistics Page No. 293 Exercise 14.4 Question No. 1

chapter 14class 10ncert
  • 1 1 Answer
  • 5 Views
  • 2 Votes
Answer
girish08
girish08
Asked: February 27, 2023In: Class 10 Maths

A life insurance agent found the following data for distribution of ages of 100 policy holders.

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. NCERT Class 10 Math’s Chapter 14 Page No. 288 Exercise 14.3 Question No. 3

chapter 14class 10ncert
  • 1 1 Answer
  • 7 Views
  • 2 Votes
Answer
Nidhi Baghel
Nidhi Baghel
Asked: February 25, 2023In: Class 10 Maths

The following distribution gives the state-wise teacher-student ratio in higher secondary schools of India.

The following distribution gives the state-wise teacher-student ratio in higher secondary schools of India.

Find the mode and mean of this data. Interpret the two measures. NCERT Class 10 Maths Chapter 14 Page No. 276 Exercise 14.2 Question No. 4

chapter 14class 10maths
  • 1 1 Answer
  • 22 Views
  • 2 Votes
Answer
Nidhi Baghel
Nidhi Baghel
Asked: February 25, 2023In: Class 10 Maths

The following data gives the distribution of total monthly household expenditure of 200 families of a village.

The following data gives the distribution of total monthly household expenditure of 200 families of a village.

Find the modal monthly expenditure of the families. Also, find the mean monthly expenditure. NCERT Maths Class 10 Chapter 14 Textbook Page No. 275 10th Maths Exercise 14.2 Question 3

chapter 14class 10maths
  • 1 1 Answer
  • 7 Views
  • 2 Votes
Answer
Nidhi Baghel
Nidhi Baghel
Asked: February 25, 2023In: Class 10 Maths

The following data gives the information on the observed lifetimes (in hours) of 225 electrical components:

The following data gives the information on the observed lifetimes (in hours) of 225 electrical components:

Determine the modal lifetimes of the components. NCERT Class 10 Math’s Chapter 14 Statistics NCERT Textbook Page No. 275 Exercise 14.2 Question No. 2

chapter 14class 10ncert maths
  • 1 1 Answer
  • 6 Views
  • 2 Votes
Answer
Nidhi Baghel
Nidhi Baghel
Asked: February 25, 2023In: Class 10 Maths

The following table shows the ages of the patients admitted in a hospital during a year:

The following table shows the ages of the patients admitted in a hospital during a year:

Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency. NCERT Math’s Class 10 Chapter 14 Statistics Page No. 275 Exercise 14.2 Queston No. 1

chapter 14class 10ncert maths
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  • 12 Views
  • 2 Votes
Answer
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