: Rational Numbers - ICSE STD 8 MATHS Questions - Vidyadip

Question types

: Rational Numbers question types

175 questions across 7 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.

175

Questions

7

Question groups

5

Question types

[1 Mark Question Answer]

[2 Mark Question Answer]

[3 marks sum]

[4 marks sum]

[5 marks sum]

TRUE / FALSE

fill in the blanks.

Sample Questions

: Rational Numbers questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1[1 Mark Question Answer]1 Mark

Divide:
$3 \text { by } \frac{1}{3}$

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Q 2[1 Mark Question Answer]1 Mark

Evaluate: $-\frac{3}{4} \div(-9)$

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Q 3[1 Mark Question Answer]1 Mark

Evaluate: $0 \div\left(-\frac{4}{7}\right)$

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Q 4[1 Mark Question Answer]1 Mark

Evaluate: $3 \div \frac{3}{5}$

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Q 5[1 Mark Question Answer]1 Mark

Evaluate: $1 \div \frac{1}{3}$

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Q 6[2 Mark Question Answer]2 Marks

Insert one rational number between $(i) 7$ and $8 (ii) 3.5$ and $5 \frac{1}{2}$ and $ 2$

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Q 7[2 Mark Question Answer]2 Marks

Insert one rational number between $(i)\ 0.7$ and $8 \ (ii) \ 3.5$ and $5\ (iii) \ 4.2$ and $3.6$

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Q 8[2 Mark Question Answer]2 Marks

Insert one rational number between $(i)\ 0 .7$ and $8 \ (ii) \ 3.5$ and $5.\ (iii)\ 2$ and $3.2$

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Q 9[2 Mark Question Answer]2 Marks

Insert one rational number between $(i)\ 0.7$ and $8\ (ii) \ 3.5 $and $5\ (iii)\ 3.5$ and $5$

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Q 10[2 Mark Question Answer]2 Marks

Insert one rational number between $ (i)\ 0.7$ and$ \ 8 \ (ii) \ 3.5 \ $and$\ 5\ (iii)\ 2$ and $3.2$

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Q 11[3 marks sum]3 Marks

Insert three rational numbers between $10$ and $12$

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Q 12[3 marks sum]3 Marks

Insert three rational numbers between $3$ and $4$

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Q 13[3 marks sum]3 Marks

Insert two rational numbers between $2.7$ and $6.3$

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Q 14[3 marks sum]3 Marks

Insert two rational numbers between $4.8$ and $6$

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Q 15[3 marks sum]3 Marks

Insert two rational numbers between $6$ and $7$

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Q 16[4 marks sum]4 Marks

Find $(m+n) \div(m-n)$, if: $m =\frac{4}{5}$ and $n =-\frac{3}{10}$

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Q 17[4 marks sum]4 Marks

Find $(m+n) \div(m-n)$, if: $m =\frac{3}{4}$ and $n =\frac{4}{3}$

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Q 18[4 marks sum]4 Marks

Find $(m+n) \div(m-n)$, if: $m =\frac{2}{3}$ and $n =\frac{3}{2} $

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Q 19[4 marks sum]4 Marks

Verify that $x =\frac{3}{4}, y =\frac{8}{9}$ and $z =-5$

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Q 20[4 marks sum]4 Marks

Verify that $x \times( y - z )= x \times y - x \times z$, if $x =\frac{4}{5}, y =-\frac{7}{4}$ and $z =3$

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Q 21[5 marks sum]5 Marks

Insert seven rational numbers between $2$ and $3.$

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Q 22[5 marks sum]5 Marks

Insert six rational numbers between $\frac{5}{6}$ and $\frac{8}{9}$

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Q 23[5 marks sum]5 Marks

Insert five rational numbers between $\frac{3}{5}$ and $\frac{2}{3}$

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Q 24[5 marks sum]5 Marks

Divide the sum of $\frac{5}{8}$ and $\frac{-11}{12}$ by the difference of $\frac{3}{7}$ and $\frac{5}{14}$.

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Q 25[5 marks sum]5 Marks

For each set of rational number, given below, verify the associative property of addition of rational number : $(i) -1, \frac{5}{6}$ and $\frac{-2}{3}$

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Q 26TRUE / FALSE1 Mark

$ \frac{-13}{25}$ is smaller than $\frac{-25}{13}$

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Q 27TRUE / FALSE1 Mark

$ \frac{-5}{-12}$ is a negative rational number

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Q 28TRUE / FALSE1 Mark

$ \frac{7}{9}=\frac{7 \div 5}{9 \div 5}$

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Q 29TRUE / FALSE1 Mark

$ \frac{7}{9}=\frac{7 \times 5}{9 \times 5}$

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Q 30TRUE / FALSE1 Mark

$ \frac{7}{9}=\frac{-7-5}{9-5}$

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Q 31fill in the blanks.1 Mark

If m is reciprocal of $n$, then the reciprocal of $n$ is $………….$

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Q 32fill in the blanks.1 Mark

The numbers$ ………..$ and$ ……….. $are their own reciprocals.

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Q 33fill in the blanks.1 Mark

The product of a rational number and its reciprocal is $………..$

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Q 34fill in the blanks.1 Mark

Rational number $0$ has $…………..$ reciprocal.

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Q 35fill in the blanks.1 Mark

The reciprocal of a positive rational number is $………. $and the reciprocal of a negative raitonal number is$ ……………$

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