CG SCERT Chhattisgarh State Board Class 5 Math Chapter 6 Multiples and factors Exercises Questions and Answers.
Chapter- 6
Multiples of 4 –
4,8,
Multiples of 5 –
5, 10
Multiples of 9-
9
Which of them are multiple of 2?-
Ans: 12,14,8,10,16,18,6
Can you write four multiples of 2 which are not given ?-
Ans: 2,20,32,46
Which of them are multiples of 4? –
Ans: 4,8,16,12,
Can you write three multiples of 4 which are not given?
Ans : 26,20, 24
Besides 2 and 4 which other numbers multiples are given here?-
Out of the given numbers which are not the multiples of 2?-
Ans: 21,11,15,19,17,9,23,29,5,3,27,25.
Which are the given numbers which are not the multiples of 5? –
Ans: 21,22,4,11,19,8,17,6,9,14,23,29,24,3,16,27,12,25 and 18.
List the numbers which are multiples of 2 and 3 both-
Ans: 30, 6, 24,18,12,18.
Find the factors of the numbers given below:
- Factors of 6 are 1, 2, 3, 6
- Factors of 8 are – 1,2,4 and 8
- Factors of 12 are – 1,2,3,4,6,12
- Factors of 15 are .1,3,5 , 15
Give reasons to say whether the given statements are true or false.
Example 2 : 3 is a factor of 8 False Because 3 does not divide 8 completely and gives a remainder 2 on dividing.
1.) 6 is a factor of 36 – true
2.) 8 is a factor of 8 – true
3.) 5 is a factor of 12- false
4.) 7 is a factor of 25 – false
51 Multiples and factors
6 is a factor of 48. – true
12 is a factor of 96.-true
Write the factors of the numbers given below:
Factors of 2 -1, 2
Factors of 3 – 1, 3
Factors of 4 – 1,2, 4
Factors of 5 -1,5
Factors of 8 – 1,2,4 and8
Factors of 12 -1,2,3,4,6 and 12
Factors of 7 – 1, 7
1.) Which number is a factor of all the numbers?
Ans: – 1
2.) Is there a number which is not a factor of itself?
Ans: no
3.) Write down those numbers which have exactly two factors-
Ans: 2,3,5,7,11
Find the HCF of-
1)8 and 12
Factors of 8 are – 1,2,4,8
Factors of 12- 1,2,3,4,6,12
The common factors are- 1,2,4, Highest common factor is 4.
(2) 10 and 20
Factors of 10- 2,5
Factors of 20-2,2,5
The common factors are – 2,5 highest common factor is 5
(3) 16 and 20
Factors of 16-1,2,4,8,16
Factors of 20-1,2,4,5,10,20
Common factors are – 1,2,4, 4 is the highest common factor.
(4) 9 and 27
Factors of 9-1,3,9
Factors of 27-1,3,9,27
Common factors are – 1,3,9.9 is the highest common factor.
(5) 13 and 39
Ans: Factors of 13 are – 1,13
Factors of 39 are – 1,3,13,39
Common factors are – 1 and 3. 3 is the highest common factor.
(6) 15 and 22
Factors of 15 are- 1,3,5,15
Factors of 22 are 1,2,11,22
Common factors are – 1. 1 is the highest common factor.