Mathematics-Rational Numbers [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 1 - 6 of 70

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Question 1

Rational Numbers
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Question

MCQ▾

Which of the following alternatives is wrong? Given that

(I) Difference of two rational numbers is a rational number

(II) Subtraction is commutative on rational numbers

(III) Addition is not commutative on rational numbers

Choices

Choice (4)Response
a.(I) only
b.(I) and (III)
c.(II) and (III)
d.None of the above

Question 2

Rational Numbers
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Question

MCQ▾

is a

Choices

Choice (4)Response
a.Either positive or negative rational number
b.Negative rational number
c.Neither positive nor negative rational number
d.Positive rational number

Question 3

Rational Numbers
Edit

Question

MCQ▾

is a

Choices

Choice (4)Response
a.Positive rational number
b.Neither positive nor negative rational number
c.Either positive or negative rational number
d.Negative rational number

Question 4

Rational Numbers
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Question

MCQ▾

What number should be added to so as to get ?

Choices

Choice (4)Response
a.
b.
c.
d.

Question 5

Rational Numbers
Edit

Question

MCQ▾

Name the property of multiplication illustrated by

Choices

Choice (4)Response
a.Distributive property
b.Associative property
c.Commutative property
d.None of the above

Question 6

Rational Numbers
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Question

MCQ▾

How many pieces of equal size can be cut from a rope of 50 meters long, each measuring meters?

Choices

Choice (4)Response
a.12
b.15
c.5
d.10