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The HCF and LCM of two numbers is 84 and 840 respectively. If the first number is 168, find the second one
- a)420
- b)360
- c)210
- d)480
- e)None of these
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The HCF and LCM of two numbers is 84 and 840 respectively. If the firs...
LCM*HCF = a*b
840*84 = 168*b, b = 420
840*84 = 168*b, b = 420
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The HCF and LCM of two numbers is 84 and 840 respectively. If the firs...
Given Information:
- HCF of two numbers = 84
- LCM of two numbers = 840
- First number = 168
Solution:
Finding the Second Number:
- Let the second number be x.
- According to the formula: HCF * LCM = First Number * Second Number
- Substituting the given values: 84 * 840 = 168 * x
- Solving for x: x = (84 * 840) / 168 = 420
Answer:
Therefore, the second number is 420, which matches with option A.
- HCF of two numbers = 84
- LCM of two numbers = 840
- First number = 168
Solution:
Finding the Second Number:
- Let the second number be x.
- According to the formula: HCF * LCM = First Number * Second Number
- Substituting the given values: 84 * 840 = 168 * x
- Solving for x: x = (84 * 840) / 168 = 420
Answer:
Therefore, the second number is 420, which matches with option A.
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The HCF and LCM of two numbers is 84 and 840 respectively. If the first number is 168, find the second onea)420b)360c)210d)480e)None of theseCorrect answer is option 'A'. Can you explain this answer?
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