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Chapter 3: Whole Numbers – 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.

Number line

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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