Latest exam Aptitude Question SOLUTION: 1)Please advise if this problem is solved algebraically. cube root of x minus five equals three x^1/3 - 5 = 3 x*1/3 - 5 + 5 = 3 + 5 x^1/3 = 8 (x^1/3)^3/1 = 8^3/1 x = 512