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Subject :IMO    Class : Class 6

The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:

A 308
B 128
C 216
D 152


please give formula

Ans 1:

Class : Class 6
The formula is (L.C.M.*H .C.F.)/1st number.

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