**ML Aggarwal Class 6 Mathematics Second Chapter Whole Numbers Exercise 2.1 Solution By Expert**

(1) Write the smallest whole number. Can you write the largest whole number?

Solution: 0 is a smallest whole number.

There is no largest whole number.

(2) Write the successor of each of the following numbers:

Solution: (i) 3999 – 4000

(ii) 378915 – 378916

(iii) 5001299 = 5001300

(3) Write the predecessor of each of the following numbers:

(i) 500 = 499

(ii) 38794 = 38793

(iii) 54789011 = 54789010

(4) Write the whole number (in each of the following) whose successor is:

(i) 50795 – 50794

(ii) 720300 – 720299

(iii) 8300000 – 8299999

(5) Write the whole number (in each of the following whose predecessor is –

(i) 5347 – 5348

(ii) 72399 – 72400

(iii) 3012999 – 3013000

(6) Write next three consecutive whole numbers of the following numbers:

(i) 79 = 80, 81, 82

(ii) 598 = 599, 600, 601

(iii) 35669 = 35670, 35671, 35672

(7) Write three consecutive whole numbers occurring just before 320001

Solution: 319998, 319999, 320000

(8) (i) How many whole numbers are there between 38 and 68?

Solution: There are 68 – 38 = 30 whole numbers.

(ii) Hoe many whole numbers are there between 99 and 300?

Solution: There are (300 – 99 = 201) whole numbers.

(9) Write all whole numbers between 100 and 200 which do not change if the digits are written in reverse order.

Solution: 101, 111, 121, 131, 141, 151, 161, 171, 181, 191

(10) How many 2 digit whole numbers are there between 5 and 92?

Ans. 92 – 10 = 82

(11) How many 3 digit whole numbers are there between 72 and 407?

Solution: 407 – 100 = 307

**___ x ___**