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MATHS [2 Mark Question Answer]

Rational Numbers · ICSE STD 8 (ICSE - English Medium). 31 questions.

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[2 Mark Question Answer]

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31 questions · timed · auto-graded

Question 12 Marks
Find 12 rational numbers between -1 and 2 .
Answer
$\frac{-9}{10}, \frac{-8}{10}, \frac{-7}{10}, \frac{-6}{10}, \frac{-5}{10}, \frac{-4}{10}, \frac{-3}{10}, \frac{-2}{10}, \frac{-1}{10}, 0, \frac{1}{10}, \frac{2}{10}$
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Question 22 Marks
Find 10 rational numbers between $\frac{-3}{4}$ and $\frac{5}{6}$.
Answer
$\frac{-8}{12}, \frac{-7}{12}, \frac{-6}{12}, \frac{-5}{12}, \frac{-4}{12}, \frac{-3}{12}, \frac{-2}{12}, \frac{-1}{12}, 0, \frac{1}{12}$
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Question 32 Marks
Find five rational number between :
$-3$ and -2
Answer
$-\frac{29}{10}, \frac{-28}{10}, \frac{-27}{10}, \frac{-26}{10}, \frac{-25}{10}$
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Question 42 Marks
Find three rational number between :
4 and $4 \frac{2}{3}$
Answer
$4 \frac{1}{6}, 4 \frac{1}{3}, 4 \frac{1}{2}$
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Question 52 Marks
Find a rational number between pair of rational number :
$-2$ and $\frac{-17}{21}$
Answer
$-1 \frac{17}{42}$
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Question 62 Marks
Name the property of multiplication illustrated by the statement :
$\frac{-9}{7} \times 0=0$
Answer
Multiplicative property of 0 .
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Question 72 Marks
Name the property of multiplication illustrated by the statement :
$\frac{-18}{7} \times 1=1 \times \frac{-18}{7}=\frac{-18}{7}$.
Answer
Multiplicative identity
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Question 82 Marks
Name the property of multiplication illustrated by the statement :
$\frac{-2}{3} \times\left(\frac{-5}{6}+\frac{7}{8}\right)=\left(\frac{-2}{3} \times \frac{-5}{6}\right)+\left(\frac{-2}{3} \times \frac{7}{8}\right)$
Answer
Distributive law
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Question 92 Marks
Name the property of multiplication illustrated by the statement :
$\left(\frac{-3}{4} \times \frac{5}{7}\right) \times \frac{-9}{11}=\frac{-3}{4} \times\left(\frac{5}{7} \times \frac{-9}{11}\right)$
Answer
Associative property
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Question 102 Marks
Name the property of multiplication illustrated by the statement :
$\frac{-8}{9} \times \frac{-13}{7}=\frac{-13}{7} \times \frac{-8}{9}$
Answer
Commutative property
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Question 242 Marks
Represent $\frac{13}{5}$ and $\frac{-13}{5}$ on the number line.
Answer
$\left[\right.$$ \frac{13}{5}=2 \frac{3}{5}$ and $\left.\frac{-13}{5}=-\left(2 \frac{3}{5}\right)\right]$
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Question 252 Marks
Compare the pair of rational number : $\frac{-5}{12}$ and $\frac{-3}{4}$
Answer
$\frac{-5}{12}>\frac{-3}{4}$
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Question 262 Marks
Compare the pair of rational number : $\frac{10}{11}$ and $\frac{17}{18}$
Answer
$\frac{10}{11}<\frac{17}{18}$
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Question 272 Marks
Compare the pair of rational number : $\frac{15}{32}$ and $\frac{17}{24}$
Answer
$\frac{15}{32}<\frac{17}{24}$
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[2 Mark Question Answer] - MATHS STD 8 Questions - Vidyadip