railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Simplification Surds and Indices
If x³ = n and the units digit of 'n' is a prime number, what are the possible choices for 'x' among the numbers from 1 to 9.
1
2, 3, 4, 5
2
3, 5 ,7
3
1, 5, 3
4
3, 5, 7, 8