Table of Contents
Exercise 3.1
Whole Number – Exercise – 3.1 – Q.1
Ans.
Smallest natural number 1.
Whole Number – Exercise – 3.1 – Q.2
Ans.
Smallest whole number 0.
Whole Number – Exercise – 3.1 – Q.3
Ans.
Does not exist
Whole Number – Exercise – 3.1 – Q.4
Ans.
Does not exist.
Whole Number – Exercise – 3.1 – Q.5
Ans.
Yes all natural numbers also whole numbers.
Whole Number – Exercise – 3.1 – Q.6
Ans.
No, all whole numbers are not natural numbers.
Whole Number – Exercise – 3.1 – Q.7
Ans.
(i) Successor of 1000909 is 1000910.
(ii) Successor of 2340900 is 2340901.
(iii) Successor of 7039999 is 7039100.
Whole Number – Exercise – 3.1 – Q.8
Ans.
(i) Predecessor of 10000 is 9999.
(ii) 807000 → 806999
(iii) Predecessor of 7005000 is 7004999.
Whole Number – Exercise – 3.1 – Q.9
Ans.
Numbers are as shown in the above line
Whole Number – Exercise – 3.1 – Q.10
Ans.
39 whole number are there between 21 and 61.
Whole Number – Exercise – 3.1 – Q.11
Ans.
(i) 25 < 205
(ii) 170 > 107
(iii) 415 > 514
(iv) 10001 < 100001
(v) 2300014 < 2300041.
Whole Number – Exercise – 3.1 – Q.12
Ans.
1100, 925, 886, 786, 325, 270, 141, 0.
Whole Number – Exercise – 3.1 – Q.13
Ans.
999999, 1000000, 1000000 is 1 airier by 1.
Whole Number – Exercise – 3.1 – Q.14
Ans.
8510000, 8509999, 8509998.
Whole Number – Exercise – 3.1 – Q.15
Ans.
4009999, 4010000, 4010001.
Whole Number – Exercise – 3.1 – Q.16
Ans.
Every natural number has its successes.
Whole Number – Exercise – 3.1 – Q.17
Ans.
(i) true
(ii) false
(iii) false
(iv) false
(v) true
(vi) false
(vii) true
(viii) true
(ix) true
(x) false
(xi) false
(xii) true
(xiii) true
(xiv) true.
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