RRB Group-D Model Paper 19 with answers for online practice

Question : 41 of 100

Marks: +1, -0

What is the HCF of 275 and 308?

Solution:

Concept:
HCF = Highest common factor.
Factor of 275 =

5^2

× 11
Factor of 308 = 4 × 7 × 11
Common factor = 11

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