Q21Written answer
The successor of the integer 1 is 0.
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Worked solution
Solution:-
False.
The successor of a whole number is the number obtained by adding 1 to it.
Successor of 1 = 1 + 1
= 2
NCERT Exemplar · Class 6 · Maths
Chapter 3: Integers
Practice each question, then open the answer or worked solution.
Questions
41 questionsQ22Written answer
Every positive integer is larger than every negative integer.
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Worked solution
Solution:-
True.
Every positive integer is always larger than every negative integer.
Positive integers are always coming right to 0, so positive integers are always greater than 0.
Q23Written answer
The sum of any two negative integers is always greater than both integers.
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Worked solution
Solution:-
False.
In negative integer = -4 + (-6)
= – 4 – 6
= – 10
In a negative integer, the sum is less than both integers.
Q24Written answer
The sum of any two negative integers is always smaller than both integers.
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Worked solution
Solution:-
True.
In negative integer = -6 + (-7)
= – 6 – 7
= – 13
In a negative integer, the sum is less than both integers.
Q25Written answer
The sum of any two positive integers is greater than both integers.
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Worked solution
Solution:-
True.
Example: consider the two positive integers 11 and 21
Sum of two integers = 11 + 21
= 32
Therefore, the sum of any two positive integers is greater than both integers.
Q26Written answer
All whole numbers are integers.
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Solution:-
True.
Whole numbers start from 0, 1, 2, 3…. so it contains 0 and positive integers.
Hence, all whole numbers are integers.
Q27Written answer
All integers are whole numbers.
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Solution:-
False.
Whole numbers start from 0, 1, 2, 3….
Whole numbers are not containing negative integers, but integers contain both positive and negative numbers.
Therefore, all integers are not whole numbers.
Q28Written answer
Since 5 > 3, therefore –5 > –3
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Solution:-
False.
In the case of a negative integer, the big number is smaller.
So, – 5 < -3
Q29Written answer
Zero is less than every positive integer.
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Worked solution
Solution:-
True.
Zero is always less than a positive integer and greater than a negative integer.
Q30Written answer
Zero is larger than every negative integer.
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Solution:-
True.
Zero is always less than a positive integer and greater than a negative integer.