1.

If x = 23 × 32 × 53 × 73y = 22 × 33 × 54 × 73, andz = 24 × 34 × 52 × 75The H.C.F of x, y and z is

A. (15)3 × 74
B. (30)3 × 73
C. 30 × 75
D. (30)2 × 73
Answer» E.


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