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If the LCM of (48), (75), and (125) is found, what will be the power of (5) in it?
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Answer and explanation
Correct answer: (3)
Step 1: Look at the powers of (5). (48) has no factor (5), (75=3\times5^2), and (125=5^3). Step 2: The highest power of (5) in the LCM is (3). Step 3: A missing prime has power zero, but still compare the existing highest power.
Frequently asked questions
What is the correct answer to this question?
(3)
Why is this the correct answer?
Step 1: Look at the powers of (5). (48) has no factor (5), (75=3\times5^2), and (125=5^3). Step 2: The highest power of (5) in the LCM is (3). Step 3: A missing prime has power zero, but still compare the existing highest power.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: HCF and LCM using prime factorisation.
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