KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4

In this chapter, we provide KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 for English medium students, Which will very helpful for every student in their exams. Students can download the latest KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 pdf, free KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 pdf download. Now you will get step by step solution to each question.

Karnataka State Syllabus Class 8 Maths Chapter 7 Rational Numbers Ex 7.4

1. Represent the following rational numbers on the number line.

Question (i)
−85=−223
Answer:
KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 1

Question (ii)
38
Answer:
KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 2

Question (iii)
27
Answer:
KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 3

Question (iv)
125=225
Answer:
KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 4

Question (v)
4513=3613
Answer:
KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 9

Question 2.
Write the following rational numbers in ascending order.
34,712,1511,2219,101100,−45,−10281,−137
LCM of the denominators in 35550900
Answer:
KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 5
KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 6
= 66023100 < 44767800 < 2840720 < 20737850 < 26663175 < 35906409 < 41164200 < 48478500
∴−137<−10281<−45<712<34<101100<2219<1511

Question 3.
Write 5 rational number between 25 and 35 having same denominator.
Answer:
KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 7

Question 4.
How many positive rational numbers less than 1 are there such that the sum of the denominator and numerator does not exceed 10?
Answer:
12,13,14,15,16,17,19,13,23,23,25,24,34,35,37,45
are lesser than 1. There are 15 rational numbers.

Question 5.
Suppose mn and pq are two positive numbers. Where does m+pn+q lie, with respect to mn and pq .
Answer:
KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.4 8

Question 6.
How many rational numbers are there strictly between 0 and 1 such that the denominator of the rational number is 80?
Answer:
Rational numbers with denominator 80 and numerator from 1 to 79 ( like 180,280,−⋯−7980)
There are 79 such rational numbers.

All Chapter KSEEB Solutions For Class 8 maths

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All Subject KSEEB Solutions For Class 8

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