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Q.

Find the HCF of 40, 50 and 60.


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a

10

b

2

c

5

d

20 

answer is A.

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Detailed Solution

Concept- HCF is the highest common factor of two or more numbers.
To find HCF, we must know the factors of the numbers.
Factors of 40:
Question ImageFactors of 50:
Question ImageFactors of 60:
Question ImageThe common factors of 40, 50 and 60 are: 2 and 5
Question ImageHence, the correct answer is option 1.
 
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