Question:H.C.F. of `7/90, 14/15` and ` 7/10` is : 

A `7/90` 
B `7/45` 
C `7/675` 
D `14/45` 

+ Answer
A 

+ Explanation
H.C.F `= (H.C.F. of 7, 14, 7)/(L.C.M. of 90, 15, 10)`

          `= 7/90`

+ Report

Irin Moni

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