Question

4. Find the least length of a rope which can be cut into whole number of pieces of lengths 45 cc
3. Find the smallest number which when diminished by 7 is divisible by 12, 16, 18, 21 and 28.
5. Can two numbers have 12 as their HCF and 512 as their LCM? Justify your answer.
6. The HCF of two numbers is 11 and their LCM is 7700. If one of the numbers is 275, then w
14
b) 30, 42, 60,72
c) 48, 56, 78, 138
and 81 cm.
the other number?
7. If the product of two numbers is 20736 and their HCF is 54, then find their LCM.
ers
imb
My Notes
When two or more natural numbers are multiplied together, the resulting number is called t
Each of the numbers being multiplied is called a factor of the number and the product is ca
multiple of each of the numbers.
A natural number greater than 1 and having no factor other than 1 and the number itself i
number.
Facto
ade - 7​

Answer 1

Answer:

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