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
The integer -8 as rational number is _____.
- A8
- BNone of these
- C-8
- D\(\frac{{ - 8}}{1}\)Correct
2
The product of a rational number with its reciprocal is always __________.
- A1Correct
- B-1
- C0
- DNone of these
3
Simplify: \(\frac{{10}}{{13}} \times \frac{{26}}{{15}} + \frac{{13}}{{25}} \times \frac{{10}}{{13}}\).
- A\(1\frac{{11}}{{15}}\)Correct
- B\(\frac{{11}}{{15}}\)
- CNone of these
- D\(1\frac{{11}}{{13}}\)
4
Seema spends \(\frac{3}{4}\) of her pocket money. She spends \(\frac{1}{2}\) of it on a book, \(\frac{1}{6}\)on a movie and the remaining amount on a dress. What part of her pocket money did she spend on the dress?
- A\(\frac{1}{4}\)
- B\(\frac{1}{2}\)
- C\(\frac{1}{{12}}\)Correct
- DNone of these
5
The multiplicative inverse of \(\frac{{11}}{{35}}\) is
- A1
- B\(\frac{{35}}{{11}}\)Correct
- C\(\frac{{11}}{{35}}\)
- DNone of these
6
Find x such that\(\frac{{ - 1}}{5} = \frac{8}{x}\).
- A-40Correct
- B8
- C5
- D40
7
Find x such that\(\frac{7}{{ - 3}} = \frac{x}{6}\).
- A-12Correct
- B12
- CNone of these
- D8
8
Find x such that\(\frac{3}{5} = \frac{x}{{ - 25}}\).
- A15
- BNone of these
- C5
- D-15Correct
9
Find x such that\(\frac{{13}}{6} = \frac{{ - 65}}{x}\).
- A-30Correct
- B20
- C10
- D30
10
Find x such that\(\frac{{16}}{x} = - 4\).
- A\(\frac{1}{4}\)
- B4
- CNone of these
- D-4Correct
11
Find x such that\(\frac{{ - 48}}{x} = 2\).
- A-24Correct
- BNone of these
- C24
- D2
12
Find the value of\(\frac{9}{2} \times \frac{{ - 4}}{3}\).
- A-6Correct
- B6
- CNone of these
- D\(\frac{1}{2}\)
13
Find the value of\(\frac{3}{{ - 5}} \times \frac{{ - 5}}{{ - 3}}\).
- A-1Correct
- B1
- C0
- DNone of these
14
Find the value of\(\frac{3}{{10}} \times \frac{{ - 2}}{3}\).
- ANone of these
- B-5
- C5
- D\(\frac{{ - 1}}{5}\)Correct
15
Find the value of\( - 6 \div \frac{2}{3}\).
- A3
- B-9Correct
- C9
- DNone of these