Tiwari Academy Discussion

Rahul Singh

Asked: November 2, 2020In: Class 10

Without actually performing the long division, state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion: 77 / 210

NCERT Solutions for Class 10 Maths Chapter 1 Important NCERT Questions Real Numbers NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.4 Page No:17 Questions No:1 Part 10

Rahul Singh

Asked: November 2, 2020In: Class 10

The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If they are rational, and of the form, p / q what can you say about the prime factors of q? (i) 43.123456789 (ii) 0.120120012000120000. . .

NCERT Solutions for Class 10 Maths Chapter 1 Important NCERT Questions Real Numbers NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.4 Page No:18 Questions No:3

Mayank Agarwal

Asked: November 2, 2020In: Class 9

Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q ≠ 0?

NCERT Solutions for Class 9 Maths Chapter 1 Important NCERT Questions Number Systems NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.1 Page No:5 Questions No:1

Mayank Agarwal

Asked: November 2, 2020In: Class 9

Find six rational numbers between 3 and 4.

NCERT Solutions for Class 9 Maths Chapter 1 Important NCERT Questions Number Systems NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.1 Page No:5 Questions No:2

Mayank Agarwal

Asked: November 2, 2020In: Class 9

Find five rational numbers between 3/5 and 4/5.

NCERT Solutions for Class 9 Maths Chapter 1 Important NCERT Questions Number Systems NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.1 Page No:5 Questions No:3

Mayank Agarwal

Asked: November 2, 2020In: Class 9

Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.

NCERT Solutions for Class 9 Maths Chapter 1 Important NCERT Questions Number Systems NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.2 Page No:8 Questions No:2

Mayank Agarwal

Asked: November 2, 2020In: Class 9

State whether the following statements are true or false. Justify your answers.

NCERT Solutions for Class 9 Maths Chapter 1 Important NCERT Questions Number Systems NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.2 Page No:8 Questions No:1 (i) Every irrational number is a real number. (ii) Every ...

Mayank Agarwal

Asked: November 2, 2020In: Class 9

State whether the following statements are true or false. Give reasons for your answers.

NCERT Solutions for Class 9 Maths Chapter 1 Important NCERT Questions Number Systems NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.1 Page No:5 Questions No:4 (i) Every natural number is a whole number. (ii) Every ...

Aadesh

Asked: November 2, 2020In: Class 9

What can the maximum number of digits be in the repeating block of digits in the decimal expansion of 1/17 ? Perform the division to check your answer.

NCERT Solutions for Class 9 Maths Chapter 1 Important NCERT Questions Number Systems NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.3 Page No:14 Questions No:5

Aadesh

Asked: November 2, 2020In: Class 9

Express 0.99999 …. in the form p/q. Are you surprised by your answer? With your teacher and classmates discuss why the answer makes sense.

NCERT Solutions for Class 9 Maths Chapter 1 Important NCERT Questions Number Systems NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 1.3 Page No:14 Questions No:4

Without actually performing the long division, state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion: 77 / 210

The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If they are rational, and of the form, p / q what can you say about the prime factors of q? (i) 43.123456789 (ii) 0.120120012000120000. . .

Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q ≠ 0?

Find six rational numbers between 3 and 4.

Find five rational numbers between 3/5 and 4/5.

Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.

State whether the following statements are true or false. Justify your answers.

State whether the following statements are true or false. Give reasons for your answers.

What can the maximum number of digits be in the repeating block of digits in the decimal expansion of 1/17 ? Perform the division to check your answer.

Express 0.99999 …. in the form p/q. Are you surprised by your answer? With your teacher and classmates discuss why the answer makes sense.

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