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Chapters
2: Estimation
3: Numbers in India and International System (With Comparison)
4: Place Value
5: Natural Numbers and Whole Numbers (Including Patterns)
6: Negative Numbers and Integers
7: Number Line
▶ 8: HCF and LCM
9: Playing with Numbers
10: Sets
11: Ratio
12: Proportion (Including Word Problems)
13: Unitary Method
14: Fractions
15: Decimal Fractions
16: Percent (Percentage)
17: Idea of Speed, Distance and Time
18: Fundamental Concepts of algebra
19: Fundamental Operations (Related to Algebraic Expressions)
20: Substitution (Including Use of Brackets as Grouping Symbols)
21: Framing Algebraic Expressions (Including Evaluation)
22: Simple (Linear) Equations (Including Word Problems)
23: Fundamental Concepts geometry
24: Angles (With their Types)
25: Properties of Angles and Lines (Including Parallel Lines)
26: Triangles (Including Types, Properties and Constructions)
27: Quadrilateral
28: Polygons
29: The Circle
30: Revision Exercise Symmetry (Including Constructions on Symmetry)
31: Recognition of Solids
32: Perimeter and Area of Plane Figures
33: Data Handling (Including Pictograph and Bar Graph)
34: Mean and Median
![Selina solutions for Mathematics [English] Class 6 chapter 8 - HCF and LCM - Shaalaa.com](/images/mathematics-english-class-6_6:44f3c4f6e33345f4bf41a86d406bf37f.jpg "Selina solutions for Mathematics [English] Class 6 chapter 8 - HCF and LCM")
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Solutions for Chapter 8: HCF and LCM
Below listed, you can find solutions for Chapter 8 of CISCE Selina for Mathematics [English] Class 6.
Selina solutions for Mathematics [English] Class 6 8 HCF and LCM Exercise 8 (A)
Write all the factors of 15
Write all the factors of 55
Write all the factors of 48
Write all the factors of 36
Write all the factors of 84
Write all prime numbers less than 25
Write all prime numbers between 15 and 35
Write all prime numbers between 8 and 76
Write the prime-numbers from 5 to 45
Write the prime-numbers from 2 to 32
Write the prime-numbers from 8 to 48
Write the prime-numbers from 9 to 59
Write the prime factors of 16
Write the prime factors of 27
Write the prime factors of 35
Write the prime factors of 49
If Pn means prime factors of n, find P6
If Pn means prime factors of n, find P24
If Pn means prime factors of n, find P50
If Pn means prime factors of n, find P42
Selina solutions for Mathematics [English] Class 6 8 HCF and LCM Exercise 8 (B)
Using the common factor method, find the H.C.F. of 16 and 35
Using the common factor method, find the H.C.F. of 25 and 20
Using the common factor method, find the H.C.F. of 27 and 75
Using the common factor method, find the H.C.F. of 8, 12 and 18
Using the common factor method, find the H.C.F. of 24, 36, 45 and 60
Using the prime factor method, find the H.C.F. of 5 and 8
Using the prime factor method, find the H.C.F. of 24 and 49
Using the prime factor method, find the H.C.F. of 40, 60 and 80
Using the prime factor method, find the H.C.F. of 48, 84 and 88
Using the prime factor method, find the H.C.F. of 12, 16 and 28
Using the division method, find the H.C.F. of the following:
16 and 24
Using the division method, find the H.C.F. of the following:
18 and 30
Using the division method, find the H.C.F. of the following:
7, 14 and 24
Using the division method, find the H.C.F. of the following:
70,80,120 and 150
Using the division method, find the H.C.F. of the following:
32, 56 and 46
Use a method of your own choice to find the H.C.F. of 45, 75 and 135.
Use a method of your own choice to find the H.C.F. of 48, 36 and 96.
Use a method of your own choice to find the H.C.F. of 66, 33 and 132.
Use a method of your own choice to find the H.C.F. of 24, 36, 60, and 132.
Use a method of your own choice to find the H.C.F. of 30, 60, 90 and 105.
Find the greatest number that divides each of 180, 225 and 315 completely
Show that 45 and 56 are co-prime numbers.
Out of 15, 16, 21 and 28, find out all the pairs of co-prime numbers.
Find the greatest no. that will divide 93, 111, and 129, leaving remainder 3 in each case.
Selina solutions for Mathematics [English] Class 6 8 HCF and LCM Exercise 8 (C)
Using the common multiple method, find the L.C.M. of the following:
8, 12 and 24
Using the common multiple method, find the L.C.M. of the following:
10, 15 and 20
Using the common multiple method, find the L.C.M. of the following:
3, 6, 9 and 12
Find the L.C.M. of the following group of numbers, using
- the prime factor method and
- the common division method
18, 24 and 96
Find the L.C.M. of the following group of numbers, using
- the prime factor method and
- the common division method
100, 150 and 200
Find the L.C.M. of the following group of numbers, using
- the prime factor method and
- the common division method
14, 21 and 98
Find the L.C.M. of the following group of numbers, using
- the prime factor method and
- the common division method
22, 121 and 33
Find the L.C.M. of the following group of numbers, using
- the prime factor method and
- the common division method
34, 85 and 51
The H.C.F. and the L.C.M. of two numbers are 50 and 300 respectively. If one of the numbers is 150, find the other one.
The product of two numbers is 432 and their L.C.M. is 72. Find their H.C.F.
The product of the two numbers is 19,200 and their H.C.F. is 40. Find their L.C.M.
Find the smallest number which, when divided by 12, 15, 18, 24 and 36 leaves no remainder
Find the smallest number which, when increased by one is exactly divisible by 12, 18, 24, 32 and 40
Find the smallest number which, on being decreased by 3, is completely divisible by 18, 36, 32 and 27.
Selina solutions for Mathematics [English] Class 6 8 HCF and LCM Revision Exercise
Find the H.C.F. of 108, 288 and 420
Find the H.C.F. of 36, 54 and 138
Find the L.C.M. of 72, 80 and 252
Find the L.C.M. of 48, 66 and 120
State true or false. Give an example.
H.C.F. of two prime numbers is 1.
True
False
State true or false. Give an example.
H.C.F. of two co-prime numbers is 1.
True
False
State true or false. Give an example.
L.C.M. of two prime numbers is equal to their product.
True
False
State true or false. Give an example.
L.C.M. of two co-prime numbers is equal to their product.
True
False
The product of two numbers is 12096 and their H.C.F. is 36. Find their L.C.M.
The product of the H.C.F. and the L.C.M. of two numbers is 1152. If one number is 48, find the other one.
Find the smallest number that is completely divisible by 28 and 42.
Find the largest number that can divide 28 and 42 completely.
Find the L.C.M. of 140 and 168. Use the L.C.M. obtained to find the H.C.F. of the given numbers.
Find the H.C.F. of 108 and 450 and use the H.C.F. obtained to find the L.C.M. of the given numbers.
Solutions for 8: HCF and LCM
Selina solutions for Mathematics [English] Class 6 chapter 8 - HCF and LCM
Shaalaa.com has the CISCE Mathematics Mathematics [English] Class 6 CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics Mathematics [English] Class 6 CISCE 8 (HCF and LCM) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Selina textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Mathematics [English] Class 6 chapter 8 HCF and LCM are Prime Factorisation, Factors and Common Factors, Prime and Composite Numbers, Highest Common Factor (HCF), Methods of Finding HCF, Eratosthenes’ Method of Finding Prime Numbers, Multiples and Common Multiples, Lowest Common Multiple, Methods of Finding LCM.
Using Selina Mathematics [English] Class 6 solutions HCF and LCM exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Mathematics [English] Class 6 students prefer Selina Textbook Solutions to score more in exams.
Get the free view of Chapter 8, HCF and LCM Mathematics [English] Class 6 additional questions for Mathematics Mathematics [English] Class 6 CISCE, and you can use Shaalaa.com to keep it handy for your exam preparation.
