The DAV Class 7 Maths Book Solutions Pdf and DAV Class 7 Maths Chapter 1 Worksheet 5 Solutions of Rational Numbers offer comprehensive answers to textbook questions.
DAV Class 7 Maths Ch 1 WS 5 Solutions
Question 1.
State whether the following statements are true: If not, justify your answer.
(i) On a number line, all the numbers to the right of zero are positive.
Answer:
True
(ii) Rational number \(\frac{-7}{-19}\) lies to the left of 0 on the number line.
Answer:
False, as \(\frac{-7}{-19}=\frac{7}{19}\) is a positive rational number which always lies on right of the zero.
(iii) On a number line, numbers become progressively larger as we move away from zero.
Answer:
True
(iv) Rational numbers \(\frac{2}{3}\) and \(\frac{-2}{3}\) are at equal distances from 0.
Answer:
True
(v) On a number line, number lying left to a given number is greater.
Answer:
False, the numbers lying on the right of the 0 are greater.
Question 2.
Mark the following rational numbers on a number line.
(i) \(\frac{4}{5}\)
(ii) \(\frac{-8}{3}\)
(iii) \(\frac{5}{2}\)
(iv) \(\frac{5}{2}\)
Answer:
Question 3.
Represent the following rational numbers on a number line.
(i) \(\frac{-3}{5}\)
Answer:
(ii) \(\frac{-2}{3}\)
Answer:
(iii) \(\frac{3}{4}\)
Answer:
(iv) \(\frac{-4}{-7}\)
Answer:
