Questions

BLANKS [1 Marks Each]

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48 questions · timed · auto-graded

Question 21 Mark
The reciprocal of a positive rational number is _______.
Answer
The reciprocal of a positive rational number is positive.
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Question 31 Mark
The reciprocal of a negative rational number is ____________.
Answer
The reciprocal of a negative rational number is negative.
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Question 41 Mark
The product of two positive rational numbers is always ______.
Answer
The product of two positive rational number is alway positive.
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Question 51 Mark
The product of two negative rational numbers is always __________.
Answer
The product of two negative rational numbers is always positive.
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Question 61 Mark
The product of a rational number and its reciprocal is ______________.
Answer
The product of a rational number and its reciprocal is 1.
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Question 81 Mark
The reciprocal of a positive rational number is _______.
Answer
The reciprocal of a positive rational number is positive.
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Question 91 Mark
The reciprocal of a negative rational number is ____________.
Answer
The reciprocal of a negative rational number is negative.
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Question 101 Mark
The product of two positive rational numbers is always ______.
Answer
The product of two positive rational number is alway positive.
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Question 111 Mark
The product of two negative rational numbers is always __________.
Answer
The product of two negative rational numbers is always positive.
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Question 121 Mark
The product of a rational number and its reciprocal is ______________.
Answer
The product of a rational number and its reciprocal is 1.
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Question 141 Mark
Fill in the blanks:
The reciprocal of a positive rational number is _______.
Answer
The reciprocal of a positive rational number is positive.
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Question 151 Mark
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The reciprocal of a negative rational number is ____________.
Answer
The reciprocal of a negative rational number is negative.
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Question 161 Mark
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The product of two positive rational numbers is always ______.
Answer
The product of two positive rational number is alway positive.
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Question 171 Mark
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The product of two negative rational numbers is always __________.
Answer
The product of two negative rational numbers is always positive.
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Question 181 Mark
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The product of a rational number and its reciprocal is ______________.
Answer
The product of a rational number and its reciprocal is 1.
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Question 191 Mark
The product of a positive rational number and a negative rational number is always _____.
Answer
The product of a positive rational number and a negative rational number is always negative.
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Question 201 Mark
The numbers __________ and _______ are their own reciprocals.
Answer
The numbers -1 and 1 are their own reciprocals.
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Question 211 Mark
The number 0 is _________ the reciprocal of any number.
Answer
The number 0 is not the reciprocal of any number.
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Question 221 Mark
Reciprocal of $\frac{1}{\text{a}},a\neq0$ is _________.
Answer
Reciprocal of $\frac{1}{\text{a}},a\neq0$ is a.
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Question 231 Mark
If a is reciprocal of b, then the reciprocal of b is __________.
Answer
If a is reciprocal of b, then the reciprocal of b is a.
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Question 241 Mark
$\frac{5}{11}\times\frac{-3}{8}=\frac{-3}{8}\times$ ___________.
Answer
$\frac{5}{11}\times\frac{-3}{8}=\frac{-3}{8}\times\frac{5}{11}$
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Question 251 Mark
$\frac{-4}{5}\times\Big(\frac{5}{7}\times\frac{-8}{9}\Big)=\Big(\frac{-4}{5}\times$___$\Big)\times\frac{-8}{9}$
Answer
$\frac{-4}{5}\times\Big(\frac{5}{7}\times\frac{-8}{9}\Big)=\Big(\frac{-4}{5}\times\frac{5}{7}\Big)\times\frac{-8}{9}$
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Question 261 Mark
$\frac{1}{2}\times\Big(\frac{3}{4}+\frac{-5}{12}\Big)=\frac{1}{2}\times$ ___________ + ____________ $\times\frac{-5}{12}$
Answer
$\frac{1}{2}\times\Big(\frac{3}{4}+\frac{-5}{12}\Big)=\frac{1}{2}\times\frac{3}{4}+\frac{1}{2}\times\frac{-5}{12}$
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Question 271 Mark
$-4\times\frac{7}{9}=\frac{7}{9}\times$ ___________.
Answer
Fill in the blanks:
$-4\times\frac{7}{9}=\frac{7}{9}\times$ -4.
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Question 291 Mark
The product of a positive rational number and a negative rational number is always _____.
Answer
The product of a positive rational number and a negative rational number is always negative.
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Question 301 Mark
The numbers __________ and _______ are their own reciprocals.
Answer
The numbers -1 and 1 are their own reciprocals.
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Question 311 Mark
The number 0 is _________ the reciprocal of any number.
Answer
The number 0 is not the reciprocal of any number.
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Question 321 Mark
Reciprocal of $\frac{1}{\text{a}},a\neq0$ is _________.
Answer
Reciprocal of $\frac{1}{\text{a}},a\neq0$ is a.
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Question 331 Mark
If a is reciprocal of b, then the reciprocal of b is __________.
Answer
If a is reciprocal of b, then the reciprocal of b is a.
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Question 341 Mark
$\frac{5}{11}\times\frac{-3}{8}=\frac{-3}{8}\times$ ___________.
Answer
$\frac{5}{11}\times\frac{-3}{8}=\frac{-3}{8}\times\frac{5}{11}$
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Question 351 Mark
$\frac{-4}{5}\times\Big(\frac{5}{7}\times\frac{-8}{9}\Big)=\Big(\frac{-4}{5}\times$___$\Big)\times\frac{-8}{9}$
Answer
$\frac{-4}{5}\times\Big(\frac{5}{7}\times\frac{-8}{9}\Big)=\Big(\frac{-4}{5}\times\frac{5}{7}\Big)\times\frac{-8}{9}$
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Question 361 Mark
$\frac{1}{2}\times\Big(\frac{3}{4}+\frac{-5}{12}\Big)=\frac{1}{2}\times$ ___________ + ____________ $\times\frac{-5}{12}$
Answer
$\frac{1}{2}\times\Big(\frac{3}{4}+\frac{-5}{12}\Big)=\frac{1}{2}\times\frac{3}{4}+\frac{1}{2}\times\frac{-5}{12}$
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Question 371 Mark
$-4\times\frac{7}{9}=\frac{7}{9}\times$ ___________.
Answer
Fill in the blanks:
$-4\times\frac{7}{9}=\frac{7}{9}\times$ -4.
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Question 391 Mark
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The product of a positive rational number and a negative rational number is always _____.
Answer
The product of a positive rational number and a negative rational number is always negative.
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Question 401 Mark
Fill in the blanks:
The numbers __________ and _______ are their own reciprocals.
Answer
The numbers -1 and 1 are their own reciprocals.
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Question 411 Mark
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The number 0 is _________ the reciprocal of any number.
Answer
The number 0 is not the reciprocal of any number.
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Question 421 Mark
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Reciprocal of $\frac{1}{\text{a}},a\neq0$ is _________.
Answer
Reciprocal of $\frac{1}{\text{a}},a\neq0$ is a.
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Question 431 Mark
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If a is reciprocal of b, then the reciprocal of b is __________.
Answer
If a is reciprocal of b, then the reciprocal of b is a.
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Question 441 Mark
Fill in the blanks:
$\frac{5}{11}\times\frac{-3}{8}=\frac{-3}{8}\times$ ___________.
Answer
$\frac{5}{11}\times\frac{-3}{8}=\frac{-3}{8}\times\frac{5}{11}$
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Question 451 Mark
Fill in the blanks:
$\frac{-4}{5}\times\Big(\frac{5}{7}\times\frac{-8}{9}\Big)=\Big(\frac{-4}{5}\times$___$\Big)\times\frac{-8}{9}$
Answer
$\frac{-4}{5}\times\Big(\frac{5}{7}\times\frac{-8}{9}\Big)=\Big(\frac{-4}{5}\times\frac{5}{7}\Big)\times\frac{-8}{9}$
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Question 461 Mark
Fill in the blanks:
$\frac{1}{2}\times\Big(\frac{3}{4}+\frac{-5}{12}\Big)=\frac{1}{2}\times$ ___________ + ____________ $\times\frac{-5}{12}$
Answer
$\frac{1}{2}\times\Big(\frac{3}{4}+\frac{-5}{12}\Big)=\frac{1}{2}\times\frac{3}{4}+\frac{1}{2}\times\frac{-5}{12}$
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Question 471 Mark
Fill in the blanks:
$-4\times\frac{7}{9}=\frac{7}{9}\times$ ___________.
Answer
Fill in the blanks:
$-4\times\frac{7}{9}=\frac{7}{9}\times$ -4.
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BLANKS [1 Marks Each] - MATHS STD 8 Questions - Vidyadip