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OPERATIONS ON RATIONAL NUMBERS

Authored by VAIDEHI BHASKAR

Mathematics

7th Grade

Used 174+ times

OPERATIONS ON RATIONAL NUMBERS
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The negative of a negative rational number is a positive rational number.

True

False

Cannot be explained

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Add 59+79Add\ \frac{-5}{9}+\frac{7}{9}  

 29\frac{-2}{9}  

 29\frac{2}{9}  

 129\frac{12}{9}  

 129\frac{-12}{9}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Additive inverse of 23Additive\ inverse\ of\ \frac{-2}{-3}  

 23\frac{-2}{3}  

 23\frac{2}{3}  

 23\frac{-2}{-3}  

0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 97+0\frac{-9}{7}+0  

0

 97\frac{9}{7}  

 97\frac{-9}{7}  

None

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 47×....=47\frac{-4}{7}\times....=\frac{-4}{7}  

0

1

-1

None

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 73×(53×113)=(73×...)×113\frac{7}{3}\times\left(\frac{5}{3}\times\frac{11}{3}\right)=\left(\frac{7}{3}\times...\right)\times\frac{11}{3}  

 73\frac{7}{3}  

 53\frac{5}{3}  

 113\frac{11}{3}  

1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number ........ has no reciprocal

0

1

-1

None

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