Rational Numbers Test

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Rational Numbers Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Which of the rational number is positive? 3/4, −3/7 , −4/7, −5/7

A
−5/7

B
3/7

C
−3/7

D
−4/7

Solution

Explanation:

Since, all other rational numbers are negative

so, 3/7 is positive rational number.
Question 2
1 / -0

Sum of two rational numbers is –8, one number is 3/4, find other.

A
4/35

B
−4/35

C
−3/54

D
35/4

Solution

Explanation:

Let the other number be x

now, given one number is 3/4

So, x + 3/4= -8

x= -8- 3/4

x= −32−34

x= -354
Question 3
1 / -0

Rewrite −44/72 in the simplest form.

A
−18/11

B
−11/19

C
−11/20

D
−11/18

Solution

Explanation:

−44/72 = −22/36 (Divide numerator and denominator by 2)

−22/36 = −11/18(Divide numerator and denominator by 2 again)
Question 4
1 / -0

Reciprocal of 1/x, where x ≠ 0 is ________.

A
x

B
-x

C
0

D
1

Solution

Explanation:

When product of two numbers is one,they are called reciprocal of each other.

Reciprocal of 1/x = x
Question 5
1 / -0

The reciprocal of – 5 is ________.

A
-5

B
−1/5

C
1

D
5

Solution

Explanation:

When the product of two numbers isone, they are called reciprocals of each other.

so, reciprocal of -5 is -1/5
Question 6
1 / -0

The numbers ________ and ________ are their own reciprocals.

A
1 and 0

B
1 and -1

C
All of these

D
-1 and 0

Solution

Explanation:

The reciprocal of 1 is 1/1=1 and the reciprocal of -1 is −1/1= −1

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Re-Attempt Weekly Quiz Competition

Rational Numbers Test - 1

Result

Rational Numbers Test - 1

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Rank

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SHARING IS CARING

Question 1

−5/7

3/7

−3/7

−4/7

Solution

Question 2

4/35

−4/35

−3/54

35/4

Solution

Question 3

−18/11

−11/19

−11/20

−11/18

Solution

Question 4

x

-x

0

1

Solution

Question 5

-5

−1/5

1

5

Solution

Question 6

1 and 0

1 and -1

All of these

-1 and 0

Solution

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