Discussion Forum

Akshat1

Asked: March 1, 2023In: Class 9 Maths

Classify the following numbers as rational or irrational:

(i) 2 − √5 (ii) (3 + √23) − √23 (iii) 2√7 / 7√7 (iv) 1/√2 (v) 2π Math’s NCERT Class 9 Chapter 1 Number System Page No. 24 Exercise 1.4 Question No. 1

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

(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.

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:

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

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:

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

pushpa07

Asked: February 25, 2023In: Class 10 Maths

A class teacher has the following absentee record of 40 students of a class for the whole term.

Find the mean number of days a student was absent. Class 10 NCERT Maths Chapter 14 NCERT Book Page No. 271 Exercise 14.1 and Question No. 8

Classify the following numbers as rational or irrational:

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

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

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

A class teacher has the following absentee record of 40 students of a class for the whole term.

Which is the best website providing NCERT Solutions?

NCERT Books

Where can I get NCERT books in PDF format?

NIOS

NCERT Solutions

Sign Up

Sign In

Forgot Password

Discussion Forum Latest Questions