Class 7 Rational Numbers CBSE Questions & Answers

Class 7 · Rational Numbers

This is Mathematics Class 7 Rational Numbers CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Fill in the boxes with the correct symbol: \(\frac{1}{{ - 3}}\_\_\_\frac{{ - 1}}{4}\)
  • A
    >
  • B
    None of these
  • C
    <
    Correct
  • D
    =
2
Fill in the boxes with the correct symbol: \(\frac{{ - 2}}{3}\_\_\_\frac{2}{3}\)
  • A
    =
  • B
    <
    Correct
  • C
    >
  • D
    None of these
3
Fill in the boxes with the correct symbol: \(\frac{{ - 1}}{5}\_\_\_\frac{1}{{ - 5}}\)
  • A
    >
  • B
    =
    Correct
  • C
    <
  • D
    None of these
4
Fill in the boxes with the correct symbol: \(\frac{{ - 3}}{5}\_\_\_\frac{3}{{ - 5}}\)
  • A
    =
    Correct
  • B
    None of these
  • C
    >
  • D
    <
5
Fill in the boxes with the correct symbol: \(\frac{{ - 6}}{5}\_\_\_\frac{6}{{ - 5}}\)
  • A
    <
  • B
    =
    Correct
  • C
    >
  • D
    None of these
6
Rewrite the rational number \(\frac{{ - 18}}{{48}}\) in the simplest form.
  • A
    \(\frac{3}{8}\)
  • B
    \(\frac{{ - 3}}{8}\)
    Correct
  • C
    None of these
  • D
    \(\frac{{ - 5}}{8}\)
7
Write the rational number that is equal to its negative.
  • A
    -1
  • B
    2
  • C
    1
    Correct
  • D
    0
8
Write the additive inverse of\(\frac{2}{3}\).
  • A
    1
  • B
    0
  • C
    \( - \frac{2}{3}\)
    Correct
  • D
    \(\frac{2}{3}\)
9
Find the multiplicative inverse of -13.
  • A
    -13
  • B
    13
  • C
    \(\frac{{ - 1}}{{13}}\)
    Correct
  • D
    12
10
A number which can be written in the form\(\frac{p}{q}\), where p and q are integers and q \( \ne \) 0 is called a _________.
  • A
    rational number
    Correct
  • B
    irrational number
  • C
    negative number
  • D
    none of these
11
Sum of two rational numbers is a _______.
  • A
    irrational number
  • B
    rational number
    Correct
  • C
    negative number
  • D
    none of these
12
Find \(\frac{3}{7} + \left( { - \frac{6}{{11}}} \right) + \left( { - \frac{8}{{21}}} \right) + \frac{5}{{22}}\)
  • A
    \(\frac{{ - 125}}{{462}}\)
    Correct
  • B
    125
  • C
    462
  • D
    -125
13
\(\frac{1}{4}{\text{ }} \times {\text{ 1 }} = {\text{ }}\_\_\_\_\)
  • A
    0
  • B
    \(\frac{1}{4}\)
    Correct
  • C
    1
  • D
    4
14
Write the additive inverse of\(\frac{4}{5}\).
  • A
    \(\frac{4}{5}\)
  • B
    1
  • C
    0
  • D
    \( - \frac{4}{5}\)
    Correct
15
Find the multiplicative inverse of\(\frac{1}{4}\).
  • A
    \(\frac{1}{4}\)
  • B
    4
    Correct
  • C
    -4
  • D
    \( - \frac{1}{4}\)