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Biju Pappachan from Rkc , Raipur
Subject :IMO    Class : Class 5

Highest common factor of 42 and 162 is ____.

A 6
B 4
C 12
D 2


HCF is 6. Do the prime factorisation and then 2x3=6. So, HCF is 6.

Ans 1:

Akshath Ramanathan S from Sri Chaitanya Techno School, Bangalore
Class : Class 5
A

Ans 2:

Priyanka from Kendriya vidyalaya, Chennai
Class : Class 5
A

Ans 3:

Priyanka from Kendriya vidyalaya, Chennai
Class : Class 5
A

Ans 4:

Soham Hatua from The Hindu Senior Secondary School, Adyar
Class : Class 5

Ans 5:

Priyanka from Kendriya vidyalaya, Chennai
Class : Class 5
A

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