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by samirpandeyit62 » Fri Nov 30, 2007 10:18 pm
What is the cube root of w ?

we only need value of w to solve this one

(1) The 5th root of w is 64.

w= 64^5 SUFF

(2) The 15th root of w is 4.

w= 4^15 SUFF

BTW in both cases the cube root would be an ineteger only

coz if we express 64 & 4 in powers of 2, then it would result in an exponent that is a multiple of 3

D
Regards
Samir
Source: — Data Sufficiency |