In this chapter, we provide KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.2 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 7.2 pdf, free KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.2 pdf download. Now you will get step by step solution to each question.
Karnataka State Syllabus Class 8 Maths Chapter 7 Rational Numbers Ex 7.2
Karnataka Board Class 8 Maths Chapter 7 Rational Numbers Ex 7.2
Question 1.
Write down ten rational numbers which are equivalent to 57 and the denominator not exceeding 80.
Answer:
Multiply both numerator and denominator by 2, 3, 4………
1014,1521,2028,3535,3042,3549,4056,4563,5070,5577
Question 2.
Write down 15 rational numbers which are equivalent to 115 and the numerator not exceeding 180.
Answer:
2210,3315,4420,5525,6630,7735,8840,994511050,12155,13260,14365,15470,16575,17680
Question 3.
Write down 10 positive rational numbers such that the sum of the numerator and the denominator of each is 11. Write them in decreasing order.
Answer:
Question 4.
Write down ten positive rational numbers such that numerator – denominator for each of them is -2. Write to them in increasing order.
Answer:
Numerator – denominator = – 2
therefore the denominator is greater than the numerator by 2.
13,24,35,46,57,69,79,810,911,1012
Question 5.
Is 3−2 a rational number? If so, how do you write it in the form conforming to the definition of a rational number (that is, the denominator as positive integer)?
Answer:
3−2 is a rational number because the denominator is negative.
It can be written as 3−2 since 3−2 is same as 3−2
Question 6.
Earlier you have studied decimals 0.9, 0.8, can you’ write these as rational numbers?
Answer:
0.9=910 and 0.8=810=45
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