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 the rational number whose numerator is 4 \( \times \) ( – 7) and denominator is (3 –7) \( \times \) (15 – 11).
  • A
    \(\frac{{28}}{{16}}\)
    Correct
  • B
    \(\frac{{13}}{8}\)
  • C
    \(\frac{8}{{13}}\)
  • D
    \(\frac{{16}}{{28}}\)
2
\(\frac{{ - 1}}{3}\_\_\_\frac{{ - 1}}{4}\)
  • A
    >
  • B
    None of these
  • C
    =
  • D
    <
    Correct
3
\(0\_\_\_\_\frac{{ - 7}}{6}\)
  • A
    <
  • B
    >
    Correct
  • C
    None of these
  • D
    =
4
\(\frac{5}{{ - 11}}\_\_\_\_\frac{{ - 5}}{{11}}\)
  • A
    >
  • B
    <
  • C
    =
    Correct
  • D
    None of these
5
Write the following rational numbers in ascending order: \(\frac{{ - 3}}{7},\frac{{ - 3}}{2},\frac{{ - 3}}{4}\)
  • A
    TRUE
  • B
    TRUE
  • C
    None of these
  • D
    \(\frac{{ - 3}}{2} < \frac{{ - 3}}{4} < \frac{{ - 3}}{7}\)
    Correct
6
Simplify: \(\frac{{13}}{4} + \frac{{ - 12}}{5} + \frac{{ - 3}}{4} + \frac{2}{3} + \frac{{ - 3}}{5} + \frac{4}{3}\).
  • A
    \(\frac{3}{2}\)
    Correct
  • B
    None of these
  • C
    1
  • D
    \(\frac{1}{2}\)
7
From his home, Rahul walks \(\frac{6}{7}\) km towards school and then returns \(\frac{5}{6}\) km on the same way towards his home to reach a landmark. Where will he be now from his home?
  • A
    30 km
  • B
    42 km
  • C
    \(\frac{1}{{42}}km\)
    Correct
  • D
    None of these
8
Find the reciprocal of\(\frac{{ - 1}}{3} \times \frac{{ - 15}}{6}\).
  • A
    \(\frac{5}{6}\)
  • B
    None of these
  • C
    \(\frac{1}{5}\)
  • D
    \(\frac{6}{5}\)
    Correct
9
Product of two rational numbers is\(\frac{{ - 8}}{9}\), one is\(\frac{{ - 10}}{3}\), find other.
  • A
    \(\frac{4}{{15}}\)
    Correct
  • B
    \(\frac{{15}}{4}\)
  • C
    None of these
  • D
    \(\frac{{ - 15}}{4}\)
10
Reduce \(\frac{{ - 63}}{{99}}\)to the standard form.
  • A
    \(\frac{{11}}{7}\)
  • B
    None of these
  • C
    \(\frac{7}{{11}}\)
  • D
    \(\frac{{ - 7}}{{11}}\)
    Correct
11
Write the rational number whose denominator is the smallest 2 digit number and the numerator is the greatest 3 digit number.
  • A
    \(\frac{{999}}{{100}}\)
  • B
    \(\frac{{999}}{{10}}\)
    Correct
  • C
    99
  • D
    \(\frac{{99}}{{10}}\)
12
The rational number \(\frac{9}{1}\) in integer is _____.
  • A
    -9
  • B
    9
    Correct
  • C
    0
  • D
    1
13
Numerator of \(5\frac{3}{4}\) is
  • A
    21
  • B
    4
  • C
    23
    Correct
  • D
    None of these
14
\(\frac{{ - 3}}{5}\)as a rational number with denominator 15 is _______ .
  • A
    None of these
  • B
    \(\frac{{ - 9}}{{15}}\)
    Correct
  • C
    \(\frac{9}{{15}}\)
  • D
    \(\frac{{ - 7}}{{15}}\)
15
Find out two rational numbers between \(\frac{{ - 3}}{4}\) and 0.
  • A
    None of these
  • B
    \(\frac{2}{4}and\frac{1}{4}\)
  • C
    \(\frac{{ - 2}}{4}and\frac{{ - 1}}{4}\)
    Correct
  • D
    \(\frac{{ - 2}}{4}and0\)