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MCQ Questions for CBSE Class 12 with Answers
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MCQ Questions for CBSE Class 8 with Answers
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Quiz
CBSE
/
Class 8
/
Maths
/
Rational Numbers
1.
The multiplicative identity for rational numbers is
-1
1
0
none of these.
2.
The additive inverse of \(\frac{2}{3}\) is
-\(\frac{2}{3}\)
\(\frac{3}{2}\)
-\(\frac{3}{2}\)
1
3.
The additive inverse of -\(\frac{3}{4}\) is
-\(\frac{3}{4}\)
1
0
\(\frac{3}{4}\)
4.
The multiplicative inverse of \(\frac{1}{2}\) is
1
-1
2
0
5.
The multiplicative inverse of -\(\frac{2}{5}\) is
-\(\frac{2}{5}\)
-\(\frac{5}{2}\)
\(\frac{5}{2}\)
1
6.
The multiplicative inverse of 1 is
0
-1
1
none of these.
7.
The multiplicative inverse of -1 is
0
-1
1
none of these.
8.
How many rational numbers are there between any two given rational numbers?
Only one
Only two
Countless
Nothing can be said.
9.
The negative of 2 is
2
\(\frac{1}{2}\)
-2
-\(\frac{1}{2}\)
10.
The negative of -2 is
-2
2
-\(\frac{1}{2}\)
\(\frac{1}{2}\)
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