Question

- Find the LCM for 6, 18, and 36. (Need the way)
- Find the HCF for 18, 36, and 81. (Need the way)
- Four bells ring at intervals of 6, 7, 8 and 9 seconds respectively. After how many seconds do all the bells ring together? (Need the way)
- Three bells toll together at intervals of 9, 12 and 15 minutes. If they start toiling together, after what time will they toll next? (Need the way)
- Find the HCF of 8 and 24 (Need the way)
- Find the LCM of 12 and 16 (Need the way)
- Find the HCF of 12 and 16 (Need the way)
- Find the HCF of 30 and 36 (Need the way)
- Find the highest common factor of 36 and 84 (Need the way)

Answer 1

Answer:

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HCF of 36 and 84

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HCF of 36 and 84 is the largest possible number that divides 36 and 84 exactly without any remainder. The factors of 36 and 84 are 1, 2, 3, 4, 6, 9, 12, 18, 36 and 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 respectively. There are 3 commonly used methods to find the HCF of 36 and 84 - Euclidean algorithm, long division, and prime factorization.

What is HCF of 36 and 84?

Answer: HCF of 36 and 84 is 12.

Answer 2

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