0 reads0 ratings0 helpful
If the HCF of (2^4\times3^3\times5), (2^2\times3^5\times5^2), and (2^6\times3^2\times7) is found, what will it be?
Advertisement
Answer and explanation
Correct answer: (2^2\times3^2)
Step 1: HCF includes only primes common to all three numbers. Step 2: (2) and (3) are common, but (5) is not in the third number; the smallest powers are (2^2) and (3^2). Step 3: Do not include a prime that is not present in every number.
Frequently asked questions
What is the correct answer to this question?
(2^2\times3^2)
Why is this the correct answer?
Step 1: HCF includes only primes common to all three numbers. Step 2: (2) and (3) are common, but (5) is not in the third number; the smallest powers are (2^2) and (3^2). Step 3: Do not include a prime that is not present in every number.
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.
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
Advertisement