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Subject :IMO    Class : Class 4

Which of the following shows the common factors of 12 and 15?

A 1 and 2
B 2 and 3
C 1 and 3
D 3 and 4


Ans 1:

Class : Class 4
Factors of 12=1,2,3,4,6,12Factors of 15=1,3,5,15Common factors of 12 and 15 =1 and 3

Ans 2: (Master Answer)

Class : Class 1

(C):

Factors of 12 = 1, 2, 3, 4, 6, 12
Factors of 15 = 1, 3, 5, 15
Common factors of 12 and 15 = 1 and 3.


Ans 3:

Class : Class 4

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