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
Write down the additive inverse of\(\frac{{ - 4}}{9}\).
  • A
    \(\frac{{ - 5}}{9}\)
  • B
    \(\frac{4}{9}\)
    Correct
  • C
    \(\frac{9}{4}\)
  • D
    None of these
2
\(\frac{{ - 6}}{{13}} - \left( {\frac{{ - 7}}{{15}}} \right) = ?\)
  • A
    \( - \frac{1}{{195}}\)
  • B
    195
  • C
    \(\frac{1}{{195}}\)
    Correct
  • D
    None of these
3
Sum of two rational numbers is -8, one of them is\(\frac{3}{4}\), find the other number.
  • A
    None of these
  • B
    \(\frac{{35}}{4}\)
  • C
    35
  • D
    \(\frac{{ - 35}}{4}\)
    Correct
4
There are ______ number of rational numbers between two rational numbers.
  • A
    None of these
  • B
    2
  • C
    1
  • D
    unlimited
    Correct
5
Find the sum of \(13\frac{3}{4} + \left( { - 11\frac{1}{2}} \right)\) .
  • A
    None of these
  • B
    \(\frac{1}{2}\)
  • C
    \(2\frac{1}{4}\)
    Correct
  • D
    \(\frac{1}{4}\)
6
Romila, Pooja and Swati went out for dinner in a hotel. Romila paid \(\frac{1}{3}\) of the bill, Pooja paid \(\frac{1}{5}\) of the bill. Swati paid the remaining part of the bill. What part of the bill was paid by Swati?
  • A
    \(\frac{3}{{15}}\)
  • B
    \(\frac{4}{{15}}\)
  • C
    \(\frac{1}{{15}}\)
  • D
    \(\frac{7}{{15}}\)
    Correct
7
Write down the additive inverse of\(\frac{{ - 5}}{9}\).
  • A
    \(\frac{9}{4}\)
  • B
    \(\frac{5}{9}\)
    Correct
  • C
    \(\frac{{ - 5}}{9}\)
  • D
    None of these
8
Write down the additive inverse of\(\frac{{ - 4}}{{11}}\).
  • A
    None of these
  • B
    \(\frac{4}{{11}}\)
    Correct
  • C
    \(\frac{9}{4}\)
  • D
    \(\frac{{ - 5}}{9}\)
9
Write down the additive inverse of\(\frac{{ - 6}}{7}\).
  • A
    \(\frac{{ - 5}}{9}\)
  • B
    \(\frac{9}{4}\)
  • C
    None of these
  • D
    \(\frac{6}{7}\)
    Correct
10
Write down the additive inverse of\(\frac{{ - 7}}{{12}}\).
  • A
    \(\frac{9}{4}\)
  • B
    \(\frac{7}{{12}}\)
    Correct
  • C
    \(\frac{{ - 5}}{9}\)
  • D
    None of these
11
The equivalent rational number of \(\frac{{ - 6}}{5}\) is
  • A
    \(\frac{{12}}{{10}}\)
  • B
    \(\frac{{ - 12}}{{10}}\)
    Correct
  • C
    \(\frac{6}{5}\)
  • D
    \(\frac{{ - 6}}{5}\)
12
Fill in the boxes with the correct symbol: \(\frac{{ - 5}}{7}\_\_\_\frac{2}{3}\)
  • A
    =
  • B
    None of these
  • C
    <
    Correct
  • D
    >
13
Fill in the boxes with the correct symbol: \(\frac{{ - 4}}{5}\_\_\_\frac{{ - 5}}{7}\)
  • A
    None of these
  • B
    >
  • C
    =
  • D
    <
    Correct
14
Fill in the boxes with the correct symbol: \(\frac{{ - 7}}{8}\_\_\_\frac{{14}}{{ - 16}}\)
  • A
    None of these
  • B
    >
  • C
    =
    Correct
  • D
    <
15
Fill in the boxes with the correct symbol: \(\frac{{ - 5}}{7}\_\_\_\frac{5}{{ - 7}}\)
  • A
    >
  • B
    =
    Correct
  • C
    <
  • D
    None of these