Ex 3.7, 8 - Chapter 3 Class 6 Playing with Numbers
Last updated at April 16, 2024 by Teachoo
Statement questions on LCM
How to check if LCM is to be found or HCF
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Chapter 3 Class 6 Playing with Numbers
Concept wise
- Factors and Multiples
- Perfect number
- Prime and Composite Numbers
- Sum of prime numbers
- Prime numbers from 1 to 100
- Divisibility Tests - Divisibility by 5, 10, 2
- Divisibility Tests - Divisibility by 4, 8
- Divisibility Tests - Divisibility by 3, 6, 9
- Divisibility Tests - Divisibility by 11
- Divisibility Tests - All
- Common Multiples
- Common Factors
- More Divisibility Rules
- Factor Tree
- Prime Factorisation
- Highest Common Factor
- Lowest Common Multiple
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Statement questions on LCM
- Statement questions on HCF
Transcript
Least number when divided by 6, 15, 18 and leaves remainder 0 = LCM of 6, 15, 18 So, LCM leaves remainder 0 In the question, We are asked least number which leaves remainder 5 So, Required number will be 5 more than LCM ∴ Required number = LCM + 5 ∴ LCM = 2 × 3 × 3 × 5 = 90 So, Required number = LCM + 5 = 90 + 5 = 95
