Which of the following rational numbers is positive?
(a) -8/7
(b) 19/-13
(c) -3/-4
(d) -21/13
Solution:
We have to find the rational number which is positive
From the options,
-8/7, 19/-13 and -21/13 are not positive
Considering -3/-4,
-3/-4 = 3(-1)/4(-1)
On cancelling common term,
= 3/4
Therefore, the rational number which is positive is 3/4.
✦ Try This: Which of the following rational numbers is positive? (a) -8/7, (b) 9/-11, (c) 3/-4, (d) -21/-13
We have to find the rational number which is positive
From the options,
-8/7, 9/-11 and 3/-4 are not positive
Considering -21/-13,
-21/-13 = 21(-1)/13(-1)
On cancelling common term,
= 21/13
Therefore, the rational number which is positive is 21/13.
☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 9
NCERT Exemplar Class 7 Maths Chapter 8 Problem 2
Which of the following rational numbers is positive? (a) -8/7, (b) 19/-13, (c) -3/-4, (d) -21/13
Summary:
The positive rational number out of the given rational numbers is -3/-4
☛ Related Questions:
- Which of the following rational numbers is negative? (a) -(-3 /7), (b) -5/-8, (c) 9/8, (d) 3/-7
- In the standard form of a rational number, the common factor of numerator and denominator is always: . . . .
- Which of the following rational numbers is equal to its reciprocal? (a) 1, (b) 2, (c) 1/2, (d) 0
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