Well-designed AP 6th Class Maths Solutions Chapter 2 Whole Numbers InText Questions offers step-by-step explanations to help students understand problem-solving strategies.
AP 7th Class Maths 2nd Chapter Whole Numbers InText Questions
Try these (Page No: 38)
Question 1.
Write the predecessor and successor of 19; 1997; 12000; 49; 100000.
Solution:
i) Predecessor of 19 = 19 – 1 = 18
Successor of 19 = 19 + 1 = 20
ii) Predecessor of 1997 = 1997 – 1 = 1996
Successor of 1997 = 1997 + 1 = 1998
iii) Predecessor of 12000=12000 – 1 =
11,999
Successor of 12000 = 12000 + 1 = 12,001
iv) Predecessor of 49 = 49 – 1 = 48
Successor of 49 = 49 + 1 = 50
v) Predecessor of 100000 = 100000 – 1 = 99,999
Successor of 100000 = 100000 + 1 = 1,00,001
Question 2.
Is there any natural number that has no predecessor?
Solution:
Natural number 1 has no predecessor.
Question 3.
Is there any natural number which has no successor ? Is there a last natural number?
Solution:
All natural numbers have successors. There is no last natural number.
Try these (Page No: 40)
Question 1.
Are all natural numbers also whole numbers?
Solution:
Yes, all the natural numbers are also whole numbers.
Question 2.
Are all whole numbers also natural numbers?
Solution:
No, all whole numbers are not natural numbers.
Example : ‘0’ is whole number but not natural number.
Question 3.
Which is the greatest whole number?
Solution:
There is no such greatest whole number.
Try these (Page No: 42)
Question 1.
Find 4 + 5; 2 + 6; 3 + 5 and 1 + 6 using the number line.
Solution:
Question 2.
Find 8 – 3; 6 – 2; 9 – 6 using the number line.
Solution:
Try these (Page No: 44)
Find 2 × 6; 3 × 3; 4 × 2 using the number line.
Solution: